CVE-2020-3550

Cisco Firepower Management Center (FMC) and Cisco Firepower Threat Defense (FTD) sfmgr daemon suffers directory-traversal due to insufficient input validation, allowing an authenticated, remote attacker to use relative paths in sfmgr commands to read/write arbitrary files on an sftunnel-connected...

CVE-2020-3555

The CVE-2020-3555 issue affects Cisco ASA and Cisco Firepower Threat Defense (FTD) SIP inspection. The root cause is a watchdog timeout during cleanup of threads tied to a SIP connection being removed from the connection list, which can be triggered by a high rate of crafted SIP traffic. The impa...

CVE-2021-34753

Cisco Firepower Threat Defense (FTD) Software is affected by CVE-2021-34753 due to incomplete deep packet inspection in ENIP traffic processing, enabling unauthenticated remote bypass of configured ENIP access control and intrusion policies. The vulnerability concerns the payload inspection compo...

CVE-2023-20247

Cisco ASA (Adaptive Security Appliance) and Firepower Threat Defense (FTD) Software remote access SSL VPN vulnerabilities allow an authenticated, remote attacker to bypass a configured multiple certificate authentication policy and connect with only a valid username/password. Root cause is improp...

CVE-2024-20494

CVE-2024-20494 affects Cisco ASA and Firepower Threat Defense (FTD) TLS cryptography during the TLS 1.3 handshake. The issue arises from improper data validation, allowing unauthenticated remote attackers to trigger a device reload via a crafted TLS 1.3 packet on a TLS 1.3-enabled listening socke...

CVE-2019-1715

CVE-2019-1715 affects Cisco ASA Software and Cisco Firepower Threat Defense (FTD)Software. The issue is a low-entropy Deterministic Random Bit Generator (DRBG/PRNG) used for cryptographic key generation, which can allow an unauthenticated remote attacker to cause cryptographic collisions and pote...

CVE-2024-20493

CVE-2024-20493 affects Cisco ASA (Adaptive Security Appliance) and Cisco FTD (Firepower Threat Defense) during the Remote Access SSL VPN authentication phase. The vulnerability stems from ineffective handling of memory resources in the authentication process, which can be triggered by crafted pac...

CVE-2024-20495

The CVE-2024-20495 issue affects Cisco ASA and Cisco FTD’s Remote Access VPN feature. The root cause is improper validation of client key data after the TLS session is established, enabling an unauthenticated, remote attacker to force the device to reload and trigger a DoS. Public documents from ...

CVE-2019-1703

CVE-2019-1703 affects Cisco Firepower Threat Defense Software on the Cisco Firepower 2100 Series. The issue is a logic error in the internal packet-processing path that may prevent ingress buffers from being replenished under certain traffic conditions. An unauthenticated, remote attacker could s...

CVE-2021-34755

Cisco Firepower Threat Defense (FTD) Software CLI contains multiple command injection vulnerabilities. An authenticated, local attacker could exploit insufficient validation of user-supplied command arguments to execute arbitrary commands with root privileges on the underlying OS, including when ...

CVE-2023-20256

CVE-2023-20256 relates to multiple vulnerabilities in the per-user-override feature of Cisco ASA and FTD software that could let an unauthenticated, remote attacker bypass ACLs and reach normally protected resources. The root cause is a logic error in how per-user-override rules are constructed/a...

CVE-2024-20363

CVE-2024-20363 affects multiple Cisco products due to a vulnerability in the Snort 3 IPS rule engine caused by incorrect HTTP packet handling. An unauthenticated, remote attacker can exploit crafted HTTP traffic to bypass configured IPS rules, allowing uninspected traffic onto the network. Affect...

CVE-2020-3188

Cisco Firepower Threat Defense (FTD) Software is affected by a DoS vulnerability in the management interface due to long default session timeouts for to-the-box remote management connections. An unauthenticated, remote attacker could send a sustained flood of crafted management connections, causi...

CVE-2020-3255

Cisco Firepower Threat Defense (FTD) Software contains a DoS vulnerability in the packet processing path caused by inefficient memory management. A remote, unauthenticated attacker can send a high rate of IPv4/IPv6 traffic that matches an ACL block action, triggering memory exhaustion and DoS for...

CVE-2026-20052

CVE-2026-20052 affects Cisco Secure Firewall Threat Defense (FTD) when Snort 3 Detection Engine handles SSL packet inspection. A logic error in memory management could be triggered by an unauthenticated remote attacker sending crafted SSL packets over the network, potentially causing the Snort 3 ...

CVE-2018-0244

CVE-2018-0244 affects Cisco Firepower System Software's detection engine. A vulnerability in SMB handling during large file transfer failures lets an unauthenticated, remote attacker bypass a configured file action policy and drop SMB malware file transfers. The issue arises when pieces of a file...

CVE-2020-3179

CVE-2020-3179 affects Cisco Firepower Threat Defense (FTD) Software, specifically the GRE tunnel decapsulation path. The root cause is a memory handling error when processing GRE over IPv6 traffic, which can be triggered by crafted GRE over IPv6 packets (IPv4 or IPv6 payload) to cause a device cr...

CVE-2020-3196

Cisco CVE-2020-3196 describes a memory exhaustion DoS in the SSL/TLS handler of ASA Software and FTD Software. An unauthenticated, remote attacker can open multiple SSL/TLS connections under certain conditions to exhaust device memory, causing the device to stop accepting new SSL/TLS connections ...

CVE-2023-20177

Cisco Firepower Threat Defense (FTD) Software contains a vulnerability in the SSL file policy handling when an SSL/TLS connection uses a URL Category and the Snort 3 detection engine is involved. The issue is a logic error observed as the Snort 3 engine inspects such connections, potentially caus...

CVE-2019-1687

CVE-2019-1687 describes a DoS vulnerability in Cisco ASA/FTD TCP proxy handling. The issue is due to an error in TCP-based packet inspection that can cause a crafted TCP sequence to produce an invalid Layer 2 header, potentially causing the device to restart. The affected products are Cisco Adapt...

CVE-2019-1691

Cisco Firepower Threat Defense Software’s SNORT detection engine is affected by an SSL/TLS handshake handling issue that allows an unauthenticated remote attacker to trigger an unexpected restart, causing a partial DoS while the engine restarts. Affected are FTD versions prior to 6.2.3.4 due to i...

CVE-2020-3189

CVE-2020-3189 affects Cisco Firepower Threat Defense (FTD) Software VPN System Logging. Root cause: memory not properly freed for VPN System Logging events when a VPN session is created or deleted, allowing a remote, unauthenticated attacker to repeatedly create/delete VPN tunnels to leak memory ...

CVE-2017-6632

Cisco FirePOWER System Software SSL Logging DoS (CVE-2017-6632) affects 5.3.0–6.2.2 when SSL policy logging is enabled. An unauthenticated remote attacker can cause a DoS by sending a flood of crafted TCP packets, due to mis‑configurable SSL logging of certain TCP traffic. Impact is high availabi...

CVE-2021-40116

CVE-2021-40116 affects Cisco products using Snort3 when a rule with Block with Reset or Interactive Block with Reset is configured without proper constraints. A crafted IP packet can cause a DoS by dropping through traffic; Snort2 configurations are not affected. Connected sources confirm the vul...

CVE-2023-20267

CVE-2023-20267 affects Snort 3’s IP geolocation rules where misparsing the configuration can let an unauthenticated, remote attacker spoof an IP to bypass location-based IP restrictions. The issue stems from how IP geolocation rules are parsed. A successful exploit could bypass restrictions witho...

CVE-2021-1488

Cisco ASA/FTD upgrade-process vulnerability (CVE-2021-1488) allows authenticated, local attackers to inject commands with root privileges due to insufficient input validation in upgrade package handling. Affected devices include ASA Software and FTD Software on Firepower 1000/2100 series. Exploit...

CVE-2024-20330

CVE-2024-20330 affects Cisco Firepower Threat Defense (FTD) Software on Cisco Firepower 2100 Series Appliances, impacting the Snort TCP/UDP detection engine. The vulnerability arises from improper memory management in the Snort detection engine, allowing unauthenticated remote attackers to trigge...

CVE-2017-3806

CVE-2017-3806 affects Cisco Firepower 4100 Series NGFW and Cisco Firepower 9300 Security Appliance. Description: an authenticated, local attacker can exploit vulnerable CLI command processing due to insufficient input validation to inject arbitrary shell commands executed by the device. Impact: l...

CVE-2017-6625

CVE-2017-6625 affects Cisco Firepower System Software (FTD 6.0.0–6.2.2) and ASA with FirePOWER Module when SSL policy is enabled. The root cause is improper SSL policy handling in the access control policy, allowing an authenticated, remote attacker to craft SSL packets that cause the system to s...

CVE-2018-0453

Cisco Firepower Management Center and Firepower System Software (FTD sensors) are affected by CVE-2018-0453. The issue stems from insufficient validation of CLI commands sent via the Sourcefire tunnel control channel, allowing an authenticated, local attacker with root privileges on at least one ...

CVE-2018-15388

The CVE-2018-15388 issue affects Cisco ASA and Cisco FTD WebVPN login functionality. Root cause: excessive processing load for existing WebVPN login operations leads to unauthenticated remote attackers sending multiple login requests, increasing CPU usage and causing a DoS. Documented impact: ele...

CVE-2019-1695

The CVE-2019-1695 issue affects Cisco ASA and Cisco FTD, where the detection engine improperly filters Ethernet frames, allowing an unauthenticated, adjacent attacker to bypass Layer 2 filters and send data directly to the kernel via crafted packets to the management interface. This can trigger a...

CVE-2020-3191

The CVE-2020-3191 issue affects Cisco ASA (Adaptive Security Appliance) and Cisco FTD (Firepower Threat Defense) software and is caused by improper length validation in fields of IPv6 DNS packets. The vulnerability allows an unauthenticated, remote attacker to trigger a device reload via a crafte...

CVE-2021-34790

CVE-2021-34790 describes multiple vulnerabilities in the Application Level Gateway (ALG) for the NAT feature in Cisco ASA and Firepower Threat Defense (FTD) software that could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections to hosts behind the ALG. A...

CVE-2021-40125

CVE-2021-40125 affects Cisco ASA and Cisco Firepower Threat Defense (FTD) IKEv2 implementations. The root cause is improper resource control that enables an authenticated attacker, who can spoof a trusted IKEv2 VPN peer and has valid IKEv2 credentials, to send malformed, authenticated IKEv2 messa...

CVE-2024-20297

CVE-2024-20297 affects Cisco ASA and Firepower Threat Defense (FTD) via a logic error in populating group ACLs when an AnyConnect client starts a new session. This could allow an unauthenticated, remote attacker to bypass ACL rules and permit traffic that should be denied on the affected device. ...

CVE-2024-20342

CVE-2024-20342 : Multiple Cisco products with Snort rate-filtering can be bypassed due to an incorrect connection count comparison. An unauthenticated, remote attacker can send traffic at or above the configured rate to bypass the rate-limiting filter, potentially allowing unintended traffic into...

CVE-2024-20408

The CVE-2024-20408 entry concerns Cisco ASA and FTD Dynamic Access Policies (DAP). The vulnerability arises from improper validation of data in HTTPS POST requests to DAP, enabling an authenticated, remote attacker with valid VPN credentials to cause the device to reload, producing a DoS conditio...

CVE-2017-3822

CVE-2017-3822 describes an unauthenticated remote vulnerability in the logging subsystem of Cisco Firepower Threat Defense (FTD) when FDM (Firepower Device Manager) is enabled. The issue allows an attacker to add arbitrary entries to the audit log due to inadequate input validation in the FDM web...

CVE-2020-3195

CVE-2020-3195 affects Cisco ASA and Firepower Threat Defense (FTD) software, via memory-leak in OSPF packet processing. An unauthenticated, remote attacker can send crafted OSPF packets to exhaust memory, potentially causing device reloads and DoS. Cisco advisories (Cisco-SA-ASA-FTD-OSPF-MEMLEAK-...

CVE-2020-3514

CVE-2020-3514 describes a Cisco Firepower Threat Defense (FTD) Software multi-instance container escape. An authenticated, local attacker with valid device credentials could modify a startup container configuration file to escape the container and execute commands with root privileges in the host...

CVE-2024-20388

Cisco Firepower Management Center (FMC) password-change flow is vulnerable due to improper authentication of password update responses. An unauthenticated, remote attacker could force a password reset and potentially enumerate valid usernames from the unauthenticated response. Affected product: F...

CVE-2019-12699

CVE-2019-12699 concerns Cisco FXOS Software and Firepower Threat Defense (FTD) CLI command injection vulnerabilities due to insufficient input validation. An authenticated, local attacker could exploit crafted arguments to specific CLI commands to execute arbitrary OS commands with root privilege...

CVE-2020-3334

CVE-2020-3334 affects Cisco ASA and Firepower Threat Defense (FTD) running on Cisco Firepower 2100 Series. The issue is an ARP packet processing flaw on the management interface due to incorrect ARP data handling, which could allow an unauthenticated, adjacent attacker to send a burst of unicast ...

CVE-2021-34764

CVE-2021-34764 affects Cisco Firepower Management Center (FMC) web-based management interface, with multiple vulnerabilities enabling cross-site scripting (XSS) and open redirect attacks. The root cause is improper input validation of HTTP request parameters in the FMC web interface. Cisco’s advi...

CVE-2021-34794

CVE-2021-34794 affects Cisco ASA/FTD SNMPv3 access control. An attacker could query SNMP data from a device if not permitted by the SNMPv3 ACL, due to ineffective access control. The exploit requires valid SNMP credentials, enabling data retrieval without broader compromise. Cisco has released so...

CVE-2019-12627

CVE-2019-12627 is a Cisco Firepower Threat Defense (FTD) Software information-disclosure vulnerability caused by insufficient application identification in the application policy configuration. An unauthenticated, remote attacker could gain unauthorized read access to sensitive data by sending cr...

CVE-2019-12676

CVE-2019-12676 affects Cisco ASA/FTD OSPF LSA processing. An unauthenticated adjacent attacker can send crafted OSPF LSA type 11 packets to trigger a device reload, causing DoS for routed traffic. Root cause: improper parsing of OSPF LSA type 11 options in ASA/FTD software. Impact: reload of the ...

CVE-2021-34787

Cisco ASA/FTD IDFW rule-bypass (CVE-2021-34787) affects Identity-Based Rule Processing in ASA Software and FTD. Affected devices that use object group search may mishandle certain network requests, allowing an unauthenticated remote attacker to bypass ACLs and security protections, potentially se...

CVE-2024-20299

CVE-2024-20299 affects Cisco ASA (ASA Software) and Cisco FTD (FTD Software). The issue is a logic error in populating group ACLs when an AnyConnect session is established, allowing an unauthenticated, remote attacker to bypass configured ACL rules and pass traffic that should be denied. Public s...