HOMEVULNERABILITIESCVE-2015-8125
HIGH

CVE-2015-8125

NVD-CWE-noinfoPublished: December 7, 2015· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2015-8125 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

sensiolabs1 product(s)
symfony
Source: NVD CPE · 54 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service
PATCHhttps://symfony.com/blog/cve-2015-8125-potential-remote-timing-attack-vulnerability-in-security-remember-me-service

All References (10)

→
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-servicePatch · Vendor Advisory
→
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-servicePatch · Vendor Advisory

Quick Facts

CVE IDCVE-2015-8125
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedDec 7, 2015

Related CVEs (NVD-CWE-noinfo)

CVE-2024-22216
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CVE-2023-40455
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CVE-2019-25136
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CVE-2023-45894
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CVE-2023-38586
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CVE-2008-4873
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-8125 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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