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CVE-2011-2528

24
FAUCET Score

CVE-2011-2528 is an unspecified vulnerability affecting Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as well as PloneHotfix20110720 for Plone 3.x, allowing attackers to gain privileges. This vulnerability arose from an incorrect fix for CVE-2011-0720. With a CVSS score of 7.5, it is considered highly severe, indicating a network-based attack with low complexity that could lead to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:plone:plone_hotfix_20110720:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:3.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.01%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0201 is in the 63rd percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

pippatch availablevia ghsa
Product: PloneFixed in: 3.3.6
pippatch availablevia ghsa
Product: Zope2Fixed in: 2.12.19
pippatch availablevia ghsa
Product: Zope2Fixed in: 2.13.8
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (2)

pipGHSA-p6h9-hpcg-c6gmhigh

High severity vulnerability that affects Plone and Zope2

Jul 23, 2018
redhatCVE-2011-2528Important

plone: privilege escalation vulnerability

Jun 28, 2011

References

plone.org / products/plone-hotfix/releases/20110622
PatchVendor Advisory
plone.org / products/plone/security/advisories/20110622
PatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/45056
Vendor Advisory
secunia.com / advisories/45111
Vendor Advisory
mail.zope.org / pipermail/zope-announce/2011-June/002260.html
Patch
openwall.com / lists/oss-security/2011/07/04/6
Patch
openwall.com / lists/oss-security/2011/07/12/9
Patch