What’s Vulnerable › Vulnerabilities

CVE-2012-4392

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-09-05 · updated 2026-06-16
• Weakness: CWE-287

Description

index.php in ownCloud 4.0.7 does not properly validate the oc_token cookie, which allows remote attackers to bypass authentication via a crafted oc_token cookie value.

Affected products

• ownCloud: 4.0.7

References

• http://www.openwall.com/lists/oss-security/2012/08/11/1
• http://www.openwall.com/lists/oss-security/2012/09/02/2
• https://github.com/owncloud/core/commit/4fd069b47906ebcf83887970c732d464dbe7d37a
• http://www.openwall.com/lists/oss-security/2012/08/11/1
• http://www.openwall.com/lists/oss-security/2012/09/02/2
• https://github.com/owncloud/core/commit/4fd069b47906ebcf83887970c732d464dbe7d37a

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