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Fencer Intel
high 7.5

CVE-2012-6135 json

RubyGems passenger gem allows remote attackers to delete files

published 2019-11-19 6 y ago modified 2026-06-16 4 mo ago also GHSA-8mw8-j583-vqfg , EUVD-2022-1680

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process.

Patch / fix

  • rubygems passenger 4.0.0.rc4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-6135 updated cvss 2.1

rubygem-passenger: untrusted apps Security check socket filenames reported by spawned application processes

  • Red Hat OpenShift Enterprise 1 rubygem-passenger, ruby193-rubygem-passenger
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.31% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
rubygems passenger
<4.0.0.rc4
4.0.0.rc4

Affected products

  • ruby-passenger ruby-passenger

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.