7.5

CVE-2023-41752: Apache Traffic Server: s3_auth plugin problem with hash calculation

Modified
AliasesUBUNTU-CVE-2023-41752DEBIAN-CVE-2023-41752ALPINE-CVE-2023-41752
Published 17-10-2023Last modified 12-06-2025

Vulnerability summary

CVE-2023-41752 is a high (CVSS 7.5) vulnerability in apache software foundation apache traffic server. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 76.1% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.63%
0%100%
Low · +0.40 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
DLA-3645-1DSA-5549-1

Timeline

  1. 17-10-2023
    PublishedVulnerability first disclosed.
  2. 12-06-2025
    Last modifiedVulnerability information updated.

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Traffic Server.This issue affects Apache Traffic Server: from 8.0.0 through 8.1.8, from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 8.1.9 or 9.2.3, which fixes the issue.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.63%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

Increase +0.40 pp

From 1.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • trafficserver9< 9.2.3-r0
Apache1 product
Apache software foundation1 product
Debian1 product
  • trafficserver< 9.2.3+ds-1+deb12u1
Fedoraproject1 product
Ubuntu1 product
  • trafficserverAll versions (No fix recorded)

6 vendors · 6 products

References

10 links