7.5

CVE-2022-31779: apache software foundation apache traffic server Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-31779DEBIAN-CVE-2022-31779
Published 10-08-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-31779 is a high (CVSS 7.5) Improper Input Validation vulnerability in apache software foundation apache traffic server. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% 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
2.41%
0%100%
Low · +0.05 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-3385-1DSA-5206-1

Timeline

  1. 10-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Improper Input Validation vulnerability in HTTP/2 header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.41%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.05 pp

From 2.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.41%

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