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CVE-2012-5497

19
FAUCET Score

CVE-2012-5497 describes a user enumeration vulnerability in Plone versions before 4.2.3 and 4.3 beta 1, specifically within the membership_tool.py component. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and allows unauthenticated remote attackers to discover valid user account names with low attack complexity, impacting confidentiality but not integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not widely targeted.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
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
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 69th percentile among its peer group of 23,723 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)

pippatch availablevia ghsa
Product: ploneFixed in: 4.3b1
pippatch availablevia ghsa
Product: ploneFixed in: 4.2.3
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: conga-0:0.12.2-81.el5
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: conga

Vendor Advisories (2)

pipGHSA-683w-84m7-p8pwmedium

Plone User account enumeration via crafted URL

May 17, 2022
redhatCVE-2012-5497Low

(Plone): Anonymous users can list user account names

Nov 6, 2012

References

rhn.redhat.com / errata/RHSA-2014-1194.html
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/20121106/13
Vendor Advisory
openwall.com / lists/oss-security/2012/11/10/1