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CVE-2012-0911

83
FAUCET Score

CVE-2012-0911 is a critical deserialization vulnerability affecting TikiWiki CMS/Groupware versions prior to 6.7 LTS and 8.4. This flaw allows remote attackers to execute arbitrary PHP code by injecting crafted serialized objects into various parameters, which are then improperly processed by the unserialize function. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not on the KEV catalog, exploit intelligence confirms the existence of public Metasploit modules and ExploitDB entries, indicating readily available exploit code and significant community discussion around this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.7CPE matchmatch criteria
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:*:*:*:*:lts:*:*:*
< 8.4CPE matchmatch criteria
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
62.99%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Tiki Wiki unserialize() PHP Code Execution · Jul 4, 2012
ExploitDB: EDB-19630 · Jul 9, 2012
This CVE's current EPSS score of 0.6299 is in the 97th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2012-07/0020.html
Exploit
dev.tiki.org / item4109
Broken Link
info.tiki.org / article190-Tiki-Wiki-CMS-Groupware-Updates-Tiki-6-7-LTS
Vendor Advisory
info.tiki.org / article191-Tiki-Releases-8-4
Release Notes
osvdb.org / 83534
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/76758
Third Party AdvisoryVDB Entry
exploit-db.com / exploits/19573
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/19630
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/54298
Broken Link