Is CVE-2015-8125 in the CISA KEV catalog?

No. CVE-2015-8125 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8125?

CVE-2015-8125 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2015-8125?

CVE-2015-8125 has an EPSS score of 2.54% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8125?

Upgrade symfony on debian 11 to 2.7.7+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-8125

HIGHEPSS 83th pctl

7.5

CVSS v2

NVD

Description

Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 might allow remote attackers to have unspecified impact via a timing attack involving the (1) Symfony/Component/Security/Http/RememberMe/PersistentTokenBasedRememberMeServices or (2) Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener class in the Symfony Security Component, or (3) legacy CSRF implementation from the Symfony/Component/Form/Extension/Csrf/CsrfProvider/DefaultCsrfProvider class in the Symfony Form component.

How to fix

Remediation Available

symfonyDebian

Fixed in:2.7.7+dfsg-1CVE-2015-8125

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.54%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

symfony.com

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.