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-2011-1005

19
FAUCET Score

CVE-2011-1005 describes a vulnerability in Ruby versions 1.8.6 through 1.8.6-420, 1.8.7 through 1.8.7-330, and 1.8.8dev, where the safe-level feature allows attackers to modify strings through the Exception#to_s method, potentially altering intended pathnames. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and potential for partial integrity impact. There is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.6CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*
1.8.6-420CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.6-420:*:*:*:*:*:*:*
1.8.7CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*
1.8.7-330CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.7-330:*:*:*:*:*:*:*
1.8.8CPE matchmatch criteria
cpe:2.3:a:ruby-lang:ruby:1.8.8:dev:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.77%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0277 is in the 78th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: ruby-0:1.8.1-16.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: ruby-0:1.8.5-19.el5_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ruby-0:1.8.7.299-7.el6_1.1
View patch

Vendor Advisories (1)

redhatCVE-2011-1005Low

Ruby: Untrusted codes able to modify arbitrary strings

Feb 18, 2011

References

lists.apple.com / archives/security-announce/2012/May/msg00001.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/054422.html
lists.fedoraproject.org / pipermail/package-announce/2011-March/054436.html
osvdb.org / 70957
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/43420
secunia.com / advisories/43573
support.apple.com / kb/HT5281
mandriva.com / security/advisories
mandriva.com / security/advisories
openwall.com / lists/oss-security/2011/02/21/2
Patch
openwall.com / lists/oss-security/2011/02/21/5
Patch
redhat.com / support/errata/RHSA-2011-0908.html
redhat.com / support/errata/RHSA-2011-0909.html
redhat.com / support/errata/RHSA-2011-0910.html
ruby-lang.org / en/news/2011/02/18/exception-methods-can-bypass-safe
ExploitPatchVendor Advisory
securityfocus.com / bid/46458
vupen.com / english/advisories/2011/0539