How severe is CVE-2015-5687?

CVE-2015-5687 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-5687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5687?

CVE-2015-5687 primarily affects Anchorcms Anchor Cms. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5687?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-5687 published?

CVE-2015-5687 was published on 2015-10-05 and last updated on 2026-06-17.

CVE-2015-5687

CVE-2015-5687 is a high-severity vulnerability in Anchorcms Anchor Cms with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Anchorcms Anchor Cms
Published: 2015-10-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-5687?: CVE-2015-5687 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-5687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5687?: CVE-2015-5687 primarily affects Anchorcms Anchor Cms. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-5687 published?: CVE-2015-5687 was published on 2015-10-05 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:anchorcms:anchor_cms:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:anchorcms:anchor_cms:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:anchorcms:anchor_cms:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:anchorcms:anchor_cms:0.9.3:alpha:*:*:*:*:*:*
cpe:2.3:a:anchorcms:anchor_cms:0.9.3:beta:*:*:*:*:*:*

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