CVE-2015-5687

system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in a cookie.

Published: 2015-10-05 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-5687 is rated Moderate Risk (60.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.50%). Core evidence: EPSS rose +1.95% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5687

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.55% 2.50% +1.95%
2 2025-06-21 0.70% 0.55% -0.15%
3 2025-03-30 0.70%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5687

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-5687

Affected software / configurations for CVE-2015-5687

Vendor Product Version Raw CPE
anchorcms anchor_cms 0.9.1 cpe:2.3:a:anchorcms:anchor_cms:0.9.1:*:*:*:*:*:*:*
anchorcms anchor_cms 0.9.2 cpe:2.3:a:anchorcms:anchor_cms:0.9.2:*:*:*:*:*:*:*
anchorcms anchor_cms 0.9.3 cpe:2.3:a:anchorcms:anchor_cms:0.9.3:*:*:*:*:*:*:*
anchorcms anchor_cms 0.9.3 cpe:2.3:a:anchorcms:anchor_cms:0.9.3:alpha:*:*:*:*:*:*
anchorcms anchor_cms 0.9.3 cpe:2.3:a:anchorcms:anchor_cms:0.9.3:beta:*:*:*:*:*:*

References for CVE-2015-5687

cvelogic Threat Intelligence