CVE-2015-8125

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-07 · updated 2026-06-17

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.

Affected products

symfony: 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5 (+48)

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173271.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173300.html
http://www.debian.org/security/2015/dsa-3402
http://www.securityfocus.com/bid/77692
https://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173271.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/173300.html
http://www.debian.org/security/2015/dsa-3402
http://www.securityfocus.com/bid/77692
https://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service

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