CVE-2021-44228

CVE-2021-44228 (Log4Shell) affects Apache Log4j2 2.0-beta9 through 2.15.0 (excluding some security releases) and is specific to log4j-core. The vulnerability arises from JNDI features used in configuration, log messages, and parameters, which can be exploited when an attacker can control log mess...

CVE-2022-20685

CVE-2022-20685 is a DoS vulnerability in the Snort Modbus preprocessor caused by an integer overflow when processing Modbus traffic. An unauthenticated, remote attacker could craft traffic to cause the Snort process to hang and halt traffic inspection. Cisco has released software updates addressi...

CVE-2023-20071

Cisco CVE-2023-20071 affects the Snort detection engine’s FTP inspection module across multiple Cisco products (notably FTD/ASA family). An unauthenticated, network-accessible attacker can craft FTP traffic to bypass FTP inspection and potentially deliver a payload, per Cisco’s security advisory ...

CVE-2022-20922

The CVE-2022-20922 entry concerns multiple vulnerabilities in the SMB2 processor of the Snort detection engine on Cisco products (Snort 3 configured). Affected component: Snort SMB2 processing; root cause: improper management of system resources while handling SMB2 traffic. Impact: unauthenticate...

CVE-2022-20943

CVE-2022-20943 pertains to Cisco Snort SMB2 processing. The SMB2 processor in Snort 3 (on affected Cisco products) is vulnerable to resource-management issues when handling SMB2 traffic, enabling unauthenticated remote attackers to bypass policies or cause DoS by sending high rates of SMB2 packet...

CVE-2026-20053

Cisco CVE-2026-20053 affects multiple Cisco products via Snort 3 Visual Basic for Applications (VBA) Decompression Engine. The vulnerability stems from improper range checking when decompressing VBA data, which is user-controlled, enabling an unauthenticated, remote attacker to cause the Snort 3 ...

CVE-2026-20054

Cisco CVE-2026-20054 affects Snort 3 VBA feature. The vulnerability stems from improper error checking when decompressing VBA data, allowing an unauthenticated attacker to send crafted VBA to the Snort 3 Detection Engine and force an infinite loop, resulting in DoS. CVSS‑3.1 metrics: AV:N/AC:L/PR...

CVE-2026-20057

CVE-2026-20057 affects multiple Cisco products via the Snort 3 VBA feature. The issue stems from lack of proper error checking when decompressing VBA data, enabling an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash and restart, resulting in a DoS (availability imp...

CVE-2026-20067

Cisco reports CVE-2026-20067 affects multiple products running the Snort 3 detection engine. The root cause is incomplete error checking when parsing Multicast DNS fields of the HTTP header, exploitable by an unauthenticated, remote attacker sending crafted HTTP packets over the network. Successf...

CVE-2026-20068

CVE-2026-20068 affects Cisco products using the Snort 3 detection engine. The vulnerability arises from incomplete error checking when parsing remote procedure call (RPC) data, allowing an unauthenticated remote attacker to send crafted RPC packets over an established connection and cause Snort 3...