7.5

CVE-2021-22974: f5 big-ip_access_policy_manager Race Condition

CVSS: 7.5v3.1HighModified
Published 12-02-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-22974 is a high (CVSS 7.5) Race Condition vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6 and all versions of BIG-IQ 7.x and 6.x, an authenticated attacker with access to iControl REST over the control plane may be able to take advantage of a race condition to execute commands with an elevated privilege level. This vulnerability is due to an incomplete fix for CVE-2017-6167. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

F515 products

1 vendor · 15 products

References

1 links