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Fencer Vulns
high 7.5

CVE-2023-30631 json

Apache Traffic Server: Configuration option to block the PUSH method in ATS didn't work

published 2023-06-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34995

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Improper Input Validation vulnerability in Apache Software Foundation Apache Traffic Server.  The configuration option proxy.config.http.push_method_enabled didn't function.  However, by default the PUSH method is blocked in the ip_allow configuration file.This issue affects Apache Traffic Server: from 8.0.0 through 9.2.0.

8.x users should upgrade to 8.1.7 or later versions 9.x users should upgrade to 9.2.1 or later versions

Patch / fix

  • apache traffic_server 8.1.7, 9.2.1
  • trafficserver Debian 12 9.2.0+ds-2+deb12u1

debian advisories DEBIAN-CVE-2023-30631

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-30631 updated

trafficserver: Configuration option to block the PUSH method in ATS didn't work

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Apache Software Foundation Apache Traffic Server

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.