7.5

CVE-2025-61581: apache software foundation apache traffic control

CVSS: 7.5v3.1HighModified
AliasesGHSA-9m49-p2j3-c6xmGO-2025-4033
Published 16-10-2025Last modified 04-11-2025

Vulnerability summary

CVE-2025-61581 is a high (CVSS 7.5) vulnerability in apache software foundation apache traffic control. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 16-10-2025
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control. This issue affects Apache Traffic Control: all versions. People with access to the management interface of the Traffic Router component could specify malicious patterns and cause unavailability. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS metrics

3 scores · 3 sources · 2 versions

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.74% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.74%

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

Apache1 product
Apache software foundation1 product
Github.com/apache1 product
  • trafficcontrolAll versions (No fix recorded)
Github.com/apache/trafficcontrol1 product
  • v8≤ 8.0.2 | All versions (No fix recorded)

4 vendors · 4 products

References

5 links