7.5

CVE-2022-31778: apache software foundation apache traffic server Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-31778DEBIAN-CVE-2022-31778
Published 10-08-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-31778 is a high (CVSS 7.5) Improper Input Validation vulnerability in apache software foundation apache traffic server. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% 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
2.08%
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-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 handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.04 pp

From 2.04% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.08%

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
Ubuntu1 product
  • trafficserverAll versions (No fix recorded)

4 vendors · 5 products

References

6 links