HIGH
CVE-2011-2528
NVD-CWE-noinfoPublished: July 19, 2011· Updated: Jun 16, 2026
7.5
CVSS v3.1
Official Description
Unspecified vulnerability in (1) Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and (2) PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a "highly serious vulnerability." NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-0720.
Technical Analysis
CVE-2011-2528 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://plone.org/products/plone-hotfix/releases/20110622Patch · Vendor Advisory
→
http://plone.org/products/plone/security/advisories/20110622Patch · Vendor Advisory
→
http://secunia.com/advisories/45056Vendor Advisory
→
http://secunia.com/advisories/45111Vendor Advisory
→
http://plone.org/products/plone-hotfix/releases/20110622Patch · Vendor Advisory
→
http://plone.org/products/plone/security/advisories/20110622Patch · Vendor Advisory
→
http://secunia.com/advisories/45056Vendor Advisory
→
http://secunia.com/advisories/45111Vendor Advisory
Quick Facts
CVE IDCVE-2011-2528
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedJul 19, 2011
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-2528 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.