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CVE-2012-5507

17
FAUCET Score

CVE-2012-5507 is a timing-based password validation vulnerability affecting Zope before version 2.13.19, and consequently Plone before 4.2.3 and 4.3 beta 1. This flaw allows remote attackers to potentially obtain passwords by analyzing timing discrepancies during authentication attempts. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and partial confidentiality impact, with no integrity or availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5.1CPE matchmatch criteria
cpe:2.3:a:zope:zope:2.5.1:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:a:zope:zope:2.6.1:*:*:*:*:*:*:*
2.6.4CPE matchmatch criteria
cpe:2.3:a:zope:zope:2.6.4:*:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:zope:zope:2.7.0:*:*:*:*:*:*:*
2.7.3CPE matchmatch criteria
cpe:2.3:a:zope:zope:2.7.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 41st percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (3)

pippatch availablevia ghsa
Product: Zope2Fixed in: 2.13.19
pippatch availablevia ghsa
Product: PloneFixed in: 4.2.3
pippatch availablevia ghsa
Product: PloneFixed in: 4.3b1

Vendor Advisories (2)

pipGHSA-3qpr-7rmg-73v8high

Plone and Zope2 affected by Race Condition

Jul 23, 2018
redhatCVE-2012-5507Low

(Plone): Timing attack in password validation

Nov 6, 2012

References

bugs.launchpad.net / zope2/+bug/1071067
github.com / plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
plone.org / products/plone-hotfix/releases/20121106
Patch
plone.org / products/plone/security/advisories/20121106/23
Vendor Advisory
openwall.com / lists/oss-security/2012/11/10/1