Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-31033

26
FAUCET Score

CVE-2022-31033 is a high-severity vulnerability affecting the Mechanize library (versions prior to 2.8.5) and related Fedora projects, where the Authorization header can be inadvertently leaked after a redirect to a different port on the same site. With a CVSS score of 7.5, this issue presents a network-based, low-complexity attack vector that could lead to a complete compromise of confidentiality. There is no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Users are advised to upgrade to Mechanize v2.8.5 or later as no workarounds exist.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.8.5CPE matchmatch criteria
cpe:2.3:a:mechanize_project:mechanize:*:*:*:*:*:ruby:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 50th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
rubygemspatch availablevia ghsa
Product: mechanizeFixed in: 2.8.5

Vendor Advisories (1)

rubygemsGHSA-64qm-hrgp-pgr9medium

Mechanize before v2.8.5 vulnerable to authorization header leak on port redirect

Jun 9, 2022

References

github.com / sparklemotion/mechanize/commit/c7fe6996a5b95f9880653ba3bc548a8d4ef72317
PatchThird Party Advisory
github.com / sparklemotion/mechanize/security/advisories/GHSA-64qm-hrgp-pgr9
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7OKZMR5O3T5HQ2V737TC7IU4WZRT2LGX
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/OA2FJROTX2U6EBWDPKRQ2VAM67A5TQXF