9.6

CVE-2021-23037: f5 big-ip_access_policy_manager Cross-site Scripting

CVSS: 9.6v3.1CriticalModified
Published 14-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-23037 is a critical (CVSS 9.6) Cross-site Scripting vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
0.82%
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. 14-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

On all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a reflected cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.82% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.82%

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

F511 products
  • big-ip_access_policy_manager≥ 11.6.0, ≤ 11.6.5 | ≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, ≤ 13.1.4 | ≥ 14.1.0, ≤ 14.1.4 | ≥ 15.1.0, ≤ 15.1.3 | ≥ 16.0.0, ≤ 16.1.0
  • big-ip_advanced_firewall_manager≥ 11.6.0, ≤ 11.6.5 | ≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, ≤ 13.1.4 | ≥ 14.1.0, ≤ 14.1.4 | ≥ 15.1.0, ≤ 15.1.3 | ≥ 16.0.0, ≤ 16.1.0
  • big-ip_analytics≥ 11.6.0, ≤ 11.6.5 | ≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, ≤ 13.1.4 | ≥ 14.1.0, ≤ 14.1.4 | ≥ 15.1.0, ≤ 15.1.3 | ≥ 16.0.0, ≤ 16.1.0
  • big-ip_application_acceleration_manager≥ 11.6.0, ≤ 11.6.5 | ≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, ≤ 13.1.4 | ≥ 14.1.0, ≤ 14.1.4 | ≥ 15.1.0, ≤ 15.1.3 | ≥ 16.0.0, ≤ 16.1.0
  • big-ip_application_security_manager≥ 11.6.0, ≤ 11.6.5 | ≥ 12.1.0, ≤ 12.1.6 | ≥ 13.1.0, ≤ 13.1.4 | ≥ 14.1.0, ≤ 14.1.4 | ≥ 15.1.0, ≤ 15.1.3 | ≥ 16.0.0, ≤ 16.1.0

1 vendor · 11 products

References

1 links