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CVE-2011-1950

20
FAUCET Score

CVE-2011-1950 describes a vulnerability in plone.app.users within Plone versions 4.0 and 4.1, allowing authenticated users to modify arbitrary account properties. This medium-severity vulnerability (CVSS 5.5) has a low attack complexity and requires authentication, leading to potential integrity and availability impacts. While it was exploited in the wild in June 2011, there is no public exploit code available, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.0:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.5MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.33%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0233 is in the 86th percentile among its peer group of 21,939 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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: plone.app.usersFixed in: 1.0.5
pippatch availablevia ghsa
Product: plone.app.usersFixed in: 1.1.1
pippatch availablevia ghsa
Product: PloneFixed in: 4.0.6
pippatch availablevia ghsa
Product: PloneFixed in: 4.1.1

Vendor Advisories (2)

pipGHSA-2qx8-589j-gcpxhigh

Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts

Jul 23, 2018
redhatCVE-2011-1950Moderate

plone: Privilege escalation via plone.app.users (Plone v4.0 and v4.1 specific)

May 31, 2011

References

osvdb.org / 72729
plone.org / products/plone/security/advisories/CVE-2011-1950
PatchVendor Advisory
secunia.com / advisories/44775
Vendor Advisory
securityreason.com / securityalert/8269
exchange.xforce.ibmcloud.com / vulnerabilities/67695
securityfocus.com / archive/1/518155/100/0/threaded
securityfocus.com / bid/48005