7.5

CVE-2022-25763: apache software foundation apache traffic server HTTP Request/Response Smuggling

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-25763DEBIAN-CVE-2022-25763
Published 10-08-2022Last modified 20-10-2025
Open JSON

Vulnerability summary

CVE-2022-25763 is a high (CVSS 7.5) HTTP Request/Response Smuggling vulnerability in apache software foundation apache traffic server. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.03%
0%100%
Low · +0.04 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
DLA-3279-1DSA-5206-1

Timeline

  1. 10-08-2022
    PublishedVulnerability first disclosed.
  2. 20-10-2025
    Last modifiedVulnerability information updated.

Description

Improper Input Validation vulnerability in HTTP/2 request validation of Apache Traffic Server allows an attacker to create smuggle or cache poison attacks. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

2.03%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.04 pp

From 1.98% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.03%

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

Debian2 products
Apache1 product
Apache software foundation1 product
Fedoraproject1 product
Ubuntu1 product
  • trafficserverAll versions (No fix recorded)

5 vendors · 6 products

References

7 links