HOMEVULNERABILITIESCVE-2012-3527
MEDIUM

CVE-2012-3527

CWE-502Published: September 5, 2012· Updated: Jun 16, 2026

4.6
CVSS v3.1

Official Description

view_help.php in the backend help system in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to unserialize arbitrary objects and possibly execute arbitrary PHP code via an unspecified parameter, related to a "missing signature (HMAC)."

NVD Source

Technical Analysis

CVE-2012-3527 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.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:H/Au:S/C:P/I:P/A:P

Affected Vendors & Products

Debian1 product(s)
debian linux
typo31 product(s)
typo3
Source: NVD CPE · 3 total CPE entries

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

ADVISORYhttp://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/
ADVISORYhttp://www.debian.org/security/2012/dsa-2537
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/77791
ADVISORYhttp://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/
ADVISORYhttp://www.debian.org/security/2012/dsa-2537
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/77791

All References (12)

→
http://osvdb.org/84773Broken Link
→
http://secunia.com/advisories/50287Not Applicable
→
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/Vendor Advisory
→
http://www.debian.org/security/2012/dsa-2537Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2012/08/22/8Mailing List
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/77791Third Party Advisory · VDB Entry
→
http://osvdb.org/84773Broken Link
→
http://secunia.com/advisories/50287Not Applicable
→
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-004/Vendor Advisory
→
http://www.debian.org/security/2012/dsa-2537Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2012/08/22/8Mailing List
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/77791Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2012-3527
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessCWE-502
CISA KEVNo
Affected2 vendor(s)
PublishedSep 5, 2012

Related CVEs (CWE-502)

CVE-2026-33819
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CVE-2024-43242
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CVE-2019-19810
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CVE-2026-20131
KEV10.0
CVE-2024-20253
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CVE-2020-15148
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2012-3527 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.
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