9.8

CVE-2012-0911: tiki tikiwiki_cms\/groupware Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
Published 12-07-2012Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-0911 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in tiki tikiwiki_cms\/groupware. EPSS estimates a 62.99% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
62.99%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4reference, exploit-database, metasploit

Timeline

  1. 12-07-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-print_multi_pages.php or (b) tiki-print_pages.php; or (4) sendpages, (5) sendstructures, or (6) sendarticles parameter to tiki-send_objects.php, which is not properly handled when processed by the unserialize function.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

62.99%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 62.99% on 20-09-2026

20-09-202620-10-2026
EPSS score
62.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (archives.neohapsis.com)

    Maturity: unknown

  • exploit-databasephpVerified

    Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution

    Maturity: poc

  • exploit-databasephpVerified

    Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution (Metasploit)

    Maturity: poc

Show all 4 exploits
  • MetasploitMetasploitremoteVerified

    Tiki Wiki unserialize() PHP Code Execution

    exploit/unix/webapp/tikiwiki_unserialize_exec

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Tiki1 product

1 vendor · 1 product

References

9 links