6.9

CVE-2025-54500: f5 big-ip

CVSS: 6.9v4.0MediumAnalyzed
Published 13-08-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-54500 is a medium (CVSS 6.9) vulnerability in f5 big-ip. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.50%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

+0.02 pp

From 0.47% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.50%

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

F529 products
  • big-ip≥ 17.5.0 (No fix recorded) | ≥ 17.1.0 (No fix recorded) | ≥ 16.1.0 (No fix recorded) | ≥ 15.1.0 (No fix recorded)
  • big-ip_access_policy_manager≥ 15.1.0, < 15.1.10.8 | ≥ 16.1.0, < 16.1.6.1 | ≥ 17.1.0, < 17.1.3 | ≥ 17.5.0, < 17.5.1.2
  • big-ip_advanced_firewall_manager≥ 15.1.0, < 15.1.10.8 | ≥ 16.1.0, < 16.1.6.1 | ≥ 17.1.0, < 17.1.3 | ≥ 17.5.0, < 17.5.1.2
  • big-ip_advanced_web_application_firewall≥ 15.1.0, < 15.1.10.8 | ≥ 16.1.0, < 16.1.6.1 | ≥ 17.1.0, < 17.1.3 | ≥ 17.5.0, < 17.5.1.2
  • big-ip_analytics≥ 15.1.0, < 15.1.10.8 | ≥ 16.1.0, < 16.1.6.1 | ≥ 17.1.0, < 17.1.3 | ≥ 17.5.0, < 17.5.1.2

1 vendor · 29 products

References

2 links