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Vulnerability details: VCID-6shr-eztc-63az
Vulnerability ID VCID-6shr-eztc-63az
Aliases CVE-2022-31778
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
epss 0.0008 https://api.first.org/data/v1/epss?cve=CVE-2022-31778
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-31778
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-31778
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37150
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25763
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28129
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31778
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31779
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31780
https://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21
https://lists.debian.org/debian-lts-announce/2023/04/msg00007.html
https://www.debian.org/security/2022/dsa-5206
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2022-31778 https://nvd.nist.gov/vuln/detail/CVE-2022-31778
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-31778
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.24358
EPSS Score 0.0008
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:26:27.601252+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0