CVE-2021-22988
Exploitation likely. EPSS gives it a 10% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, TMUI, also referred to as the Configuration utility, has an authenticated remote command execution vulnerability in undisclosed pages. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
10% chance of exploitation activity in the next 30 days, which ranks it in the 96th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1912 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changelow → moderate
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- BIG-IP Local Traffic ManagerNetworking Infrastructure / load-balancer-proxy
- BIG-IP Application Acceleration ManagerNetworking Infrastructure / load-balancer-proxy
- BIG-IP Advanced Web Application FirewallNetworking Infrastructure / firewall
- BIG-IP Advanced Firewall ManagerSecurity Products
- BIG-IP AnalyticsNetworking Infrastructure / network-management
- BIG-IP Access Policy ManagerNetworking Infrastructure / firewall
- BIG-IP Application Security ManagerNetworking Infrastructure / firewall
- BIG-IP DDos Hybrid DefenderNetworking Infrastructure / firewall
- big-ip access policy managerNetworking Infrastructure / firewall
- big-ip advanced firewall managerNetworking Infrastructure / firewall
- big-ip advanced web application firewallNetworking Infrastructure / firewall
- big-ip analyticsNetworking Infrastructure / network-management
- big-ip application acceleration managerNetworking Infrastructure / load-balancer-proxy
- big-ip application security managerNetworking Infrastructure / firewall
- big-ip ddos hybrid defenderNetworking Infrastructure / firewall
- big-ip domain name systemNetworking Infrastructure / dns-dhcp-ntp
And 13 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 8.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
- support.f5.com/csp/article/K70031188
- support.f5.com/csp/article/K70031188&
- habr.com/ru/news/t/547090/&
And 3 more references. See all after sign-in
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