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CVE-2022-31163

28
FAUCET Score

CVE-2022-31163 is a relative path traversal vulnerability in the TZInfo Ruby library (versions prior to 0.36.1 and 1.2.10 when using tzinfo-data), allowing attackers to load and execute arbitrary Ruby files by manipulating time zone identifiers. This vulnerability affects Debian Linux and the TZInfo project. With a CVSS score of 8.1 (High), it presents a significant risk due to its network attack vector, high impact on confidentiality, integrity, and availability, and low attack complexity. While there is no evidence of active exploitation, public exploit code, or significant community discussion, organizations should apply available patches or implement the recommended workaround to validate time zone identifiers.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.61CPE matchmatch criteria
cpe:2.3:a:tzinfo_project:tzinfo:*:*:*:*:*:*:*:*
>= 1.0.0, < 1.2.10CPE matchmatch criteria
cpe:2.3:a:tzinfo_project:tzinfo:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.23%
Probability of exploitation in next 30 days
EPSS Percentile
80.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0223 is in the 38th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.11 for RHEL 8Fixed in: rubygem-tzinfo-0:1.2.10-1.el8sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.13 for RHEL 8Fixed in: rubygem-tzinfo-0:2.0.5-1.el8sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.5 for RHEL 7Fixed in: rubygem-tzinfo-0:1.2.10-1.el7rhgs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.11 for RHEL 7Fixed in: tfm-rubygem-tzinfo-0:1.2.10-1.el7sat
View patch
rubygemspatch availablevia ghsa
Product: tzinfoFixed in: 0.3.61
rubygemspatch availablevia ghsa
Product: tzinfoFixed in: 1.2.10
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: rubygem-tzinfo
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens) Operational ToolsFixed in: rubygem-tzinfo

Vendor Advisories (2)

redhatCVE-2022-31163Important

rubygem-tzinfo: arbitrary code execution

Jul 22, 2022
rubygemsGHSA-5cm2-9h8c-rvfxhigh

TZInfo relative path traversal vulnerability allows loading of arbitrary files

Jul 21, 2022

References

lists.debian.org / debian-lts-announce/2024/09/msg00008.html
github.com / tzinfo/tzinfo/commit/9905ca93abf7bf3e387bd592406e403cd18334c7
PatchThird Party Advisory
github.com / tzinfo/tzinfo/commit/9eddbb5c0e682736f61d0dd803b6031a5db9eadf
PatchThird Party Advisory
github.com / tzinfo/tzinfo/releases/tag/v0.3.61
Release NotesThird Party Advisory
github.com / tzinfo/tzinfo/releases/tag/v1.2.10
Release NotesThird Party Advisory
github.com / tzinfo/tzinfo/security/advisories/GHSA-5cm2-9h8c-rvfx
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2022/08/msg00009.html
Mailing ListThird Party Advisory