CVE-2021-31384

CVE-2021-31384 affects Juniper Networks Junos OS on SRX Series. The vulnerability stems from a Missing Authorization weakness and insufficient granularity of access control in a specific device configuration, allowing an attacker to reach J-Web administrative interfaces from any device interface,...

CVE-2021-31383

CVE-2021-31383 affects Juniper Networks Junos OS and Junos OS Evolved, where in P2MP scenarios the routing protocol daemon (RPD) may crash due to a source-to-destination copy-write operation paired with a stack-based buffer overflow on certain crafted packets. This leads to a DoS that can become ...

CVE-2021-31382

CVE-2021-31382 describes a race condition in Juniper Junos OS on PTX1000 and PTX10002-60C systems that, after upgrading to an affected release, can cause misassignment of firewall filters to interfaces due to contention between chassisd and dfwd. This may result in interfaces having incorrect pro...

CVE-2021-31382 Junos OS: PTX1000 System, PTX10002-60C System: After upgrading, configured firewall filters may be applied on incorrect interfaces

On PTX1000 System, PTX10002-60C System, after upgrading to an affected release, a Race Condition vulnerability between the chassis daemon chassisd and firewall process dfwd of Juniper Networks Junos OS, may update the device's interfaces with incorrect firewall filters. This issue only occurs whe...

CVE-2021-31379

CVE-2021-31379 describes an Incorrect Behavior Order vulnerability in Juniper Junos OS MAP-E automatic tunneling on MX Series MPC 7/8/9/10/11 cards when MAP-E IP reassembly is enabled. Exploitation leads to a Denial of Service (DoS) where the PFE is disabled after processing malformed IPv4/IPv6 p...

CVE-2021-31379 Junos OS: MX Series: MPC 7/8/9/10/11 cards with MAP-E: PFE halts when an attacker sends malformed IPv4 or IPv6 traffic inside the MAP-E tunnel.

An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service DoS to the PFE on the device which is disabled as a result of the processing of these...

CVE-2021-31378

CVE-2021-31378 affects Juniper Networks Junos OS in broadband subscriber management scenarios where RADIUS is used. An attacker can spoof messages from trusted RADIUS servers to a device after a subscriber logs in and requests logout, forcing the subscriber into a persistent “Terminating” state v...

CVE-2021-31378 Junos OS: An attacker sending spoofed RADIUS messages to a Junos OS device configured for broadband services may cause broadband subscribers to remain stuck in a "Terminating" state.

In broadband environments, including but not limited to Enhanced Subscriber Management, CHAP, PPP, DHCP, etc., on Juniper Networks Junos OS devices where RADIUS servers are configured for managing subscriber access and a subscriber is logged in and then requests to logout, the subscriber may be...

CVE-2021-31377

CVE-2021-31377 affects Juniper Networks Junos OS. A local authenticated attacker can exploit an Incorrect Permission Assignment for a Critical Resource in a file in the Junos filesystem to cause the Routing Process Daemon (RPD) to crash and restart, resulting in a DoS . Affected versions include ...

CVE-2021-31377 Junos OS: A local authenticated attacker can cause RPD to core

An Incorrect Permission Assignment for Critical Resource vulnerability of a certain file in the filesystem of Junos OS allows a local authenticated attacker to cause routing process daemon RPD to crash and restart, causing a Denial of Service DoS. Repeated actions by the attacker will create a...

CVE-2021-31376

CVE-2021-31376 affects Juniper Networks Junos OS on ACX Series (ACX500, ACX1000, ACX1100, ACX2100, ACX2200, ACX4000, ACX5048, ACX5096). The issue is an improper input validation in the FXPC (Packet Forwarding Engine manager) that can be triggered by specific DHCPv6 packets, crashing FXPC and caus...

CVE-2021-31375 Junos OS: Receipt of a specific BGP update may cause RPKI policy-checks to be bypassed

An Improper Input Validation vulnerability in routing process daemon RPD of Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure RPKI, allows an attacker to send a specific BGP update which may cause RPKI policy-checks to be bypassed...

CVE-2021-31375

CVE-2021-31375 describes an Improp er Input Validation vulnerability in the routing process daemon (RPD) of Juniper Networks Junos OS . When devices are configured with BGP origin validation using RP KI (RPKI) , a crafted BGP update can bypass RPKI policy checks, enabling a spoofed advertisement ...

CVE-2021-31374

The CVE affects Juniper Networks Junos OS and Junos OS Evolved. Processing a specially crafted BGP UPDATE or KEEPALIVE message can crash the Routing Process Daemon (RPD) and trigger a Denial of Service (DoS) on both IBGP and EBGP over IPv4/IPv6. Affected versions include multiple releases across ...

CVE-2021-31373

Juniper Networks Junos OS SRX Series J-Web exposes a persistent XSS when authenticated users access the J-Web interface. An attacker could inject scripts to steal data or hijack sessions. Affected: SRX Series across multiple releases prior to specific fixed deployments (e.g., 18.2R3-S8; 18.3R3-S5...

CVE-2021-31372

CVE-2021-31372 affects Juniper Networks Junos OS J-Web; vulnerability is due to Improper Input Validation, allowing a locally authenticated J-Web user to escalate to root. Affected Junos OS versions range across 18.3R3-S5 and later 21.2R2, with various prior branch versions; the provided document...

CVE-2021-31372 Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated J-Web attacker to escalate their privileges to root over the target device. This issue affects: Juniper Networks Junos OS All versions prior to 18.3R3-S5; 18.4 versions prior to...

CVE-2021-31371

CVE-2021-31371 affects Juniper Networks Junos OS on QFX5110/5120/5200/5210 and QFX5100 with QFX 5e Series image. The issue: internal RE-to-PFE 128.0.0.0/2 traffic may be forwarded to an egress interface, leaking configuration data (eg, heartbeats, kernel versions) to the Internet, across multiple...

CVE-2021-31370

CVE-2021-31370 concerns Juniper Networks Junos OS on QFX5000 Series and EX4600 Series, where an Incomplete List of Disallowed Inputs vulnerability in the Packet Forwarding Engine (PFE) can be exploited by an adjacent unauthenticated attacker sending a high rate of specific multicast traffic. This...

CVE-2021-31369 Junos OS: MX Series: Traffic drops will be observed if MS-MPC/MS-PIC resources are consumed by certain traffic causing a partial DoS

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service DoS with a high rate of specific traffic. If a Class of Service CoS rule is...