CyberSecBulletin
CVE-2024-22389NVD status: Analyzed

When BIG-IP is deployed in high availability (HA) and an iControl REST API token is updated…

Published Updated By the CyberSecBulletin desk

CVE-2024-22389 is a high-severity vulnerability in BIG-IP from F5, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. The record lists versions 17.1.1, 16.1.4, 15.1.9 as the first without the flaw, so updating BIG-IP to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.5% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update BIG-IP to 17.1.1 or 16.1.4 or 15.1.9, whichever matches your release line, or a later version.
  2. Update Big-ip Access Policy Manager to 15.1.9 or 16.1.4, whichever matches your release line, or a later version.
  3. Update Big-ip Advanced Firewall Manager to 15.1.9 or 16.1.4, whichever matches your release line, or a later version.
  4. Read the advisory on my.f5.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
F5BIG-IP17.1.0 up to, but not including, 17.1.1; 16.1.0 up to, but not including, 16.1.4; 15.1.0 up to, but not including, 15.1.917.1.1, 16.1.4, 15.1.9
F5Big-ip Access Policy Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-iq Centralized Management8.0.0 through 8.3.0Not stated
F5Big-ip Advanced Firewall Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Analytics15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Application Acceleration Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Application Security Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Domain Name System15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Fraud Protection Service15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Global Traffic Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Link Controller15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Local Traffic Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4
F5Big-ip Policy Enforcement Manager15.1.0 up to, but not including, 15.1.9; 16.1.0 up to, but not including, 16.1.4; 17.1.015.1.9, 16.1.4

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
HighAdministrator-level access is required first.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.2HighCNA (f5.com)
CVSS 3.17.2HighNVD

Official description

When BIG-IP is deployed in high availability (HA) and an iControl REST API token is updated, the change does not sync to the peer device. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in BIG-IP

All BIG-IP vulnerabilities

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