CVE Feed

    Dashboard / CVE / CVE-2021-23007

    CVE-2021-23007

    On BIG-IP versions 14.1.4 and 16.0.1.1, when the Traffic Management Microkernel (TMM) process handles certain undisclosed traffic, it may start dropping all fragmented IP traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

    Published:Mar 31, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 31, 2021
    EPSS Score:0.00733
    CVSS Score:5.3

    Affected Products

    Vendor
    F5
    Product
    Big-ip Access Policy Manager
    Vendor
    F5
    Product
    Big-ip Advanced Firewall Manager
    Vendor
    F5
    Product
    Big-ip Advanced Web Application Firewall
    Vendor
    F5
    Product
    Big-ip Analytics
    Vendor
    F5
    Product
    Big-ip Application Acceleration Manager
    Vendor
    F5
    Product
    Big-ip Application Security Manager
    Vendor
    F5
    Product
    Big-ip Ddos Hybrid Defender
    Vendor
    F5
    Product
    Big-ip Domain Name System
    Vendor
    F5
    Product
    Big-ip Edge Gateway
    Vendor
    F5
    Product
    Big-ip Fraud Protection Service
    Vendor
    F5
    Product
    Big-ip Global Traffic Manager
    Vendor
    F5
    Product
    Big-ip Link Controller
    Vendor
    F5
    Product
    Big-ip Local Traffic Manager
    Vendor
    F5
    Product
    Big-ip Policy Enforcement Manager
    Vendor
    F5
    Product
    Big-ip Ssl Orchestrator
    Vendor
    F5
    Product
    Big-ip Webaccelerator

    Exploits

    https://support.f5.com/csp/article/K37451543https://support.f5.com/csp/article/K37451543

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-39458 (CVSS 8.7) — When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, A…
    CVE-2026-20732 (CVSS 2.3) — A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof…
    CVE-2026-20730 (CVSS 2) — A vulnerability exists in BIG-IP Edge Client and browser VPN clients on Windows that may allow attackers to ga…
    CVE-2025-61990 (CVSS 8.7) — When using a multi-bladed platform with more than one blade, undisclosed traffic can cause the Traffic Managem…
    CVE-2025-61933 (CVSS 5.1) — A reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of BIG-IP APM that allows a…
    CVE-2025-58071 (CVSS 8.7) — When IPsec is configured on the BIG-IP system, undisclosed traffic can cause the Traffic Management Microkerne…
    CVE-2025-54755 (CVSS 6.9) — A directory traversal vulnerability exists in TMUI that allows a highly privileged authenticated attacker to a…
    CVE-2025-59483 (CVSS 8.5) — A validation vulnerability exists in an undisclosed URL in the Configuration utility.  Note: Software versions…
    CVE-2025-59481 (CVSS 8.5) — A vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command that may allow an …
    CVE-2025-61960 (CVSS 8.7) — When a per-request policy is configured on a BIG-IP APM portal access virtual server, undisclosed traffic can …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High