Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-8125

20
FAUCET Score

CVE-2015-8125 is a timing attack vulnerability affecting specific versions of Symfony 2.3.x, 2.6.x, and 2.7.x. This flaw could allow remote attackers to achieve unspecified impact through weaknesses in the Symfony Security Component's remember-me or digest authentication services, or the legacy CSRF implementation in the Symfony Form component. With a CVSS score of 7.5, it is considered highly severe, indicating a network-based attack with low complexity and potential for partial compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.0CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.3.0:*:*:*:*:*:*:*
2.3.1CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.3.1:*:*:*:*:*:*:*
2.3.2CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.3.2:*:*:*:*:*:*:*
2.3.3CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.3.3:*:*:*:*:*:*:*
2.3.4CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.3.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0255 is in the 70th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.3.35
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.7.7
composerpatch availablevia ghsa
Product: symfony/formFixed in: 2.3.35
composerpatch availablevia ghsa
Product: symfony/formFixed in: 2.6.12
composerpatch availablevia ghsa
Product: symfony/formFixed in: 2.7.7
composerpatch availablevia ghsa
Product: symfony/security-httpFixed in: 2.6.12
composerpatch availablevia ghsa
Product: symfony/security-httpFixed in: 2.7.7
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.3.35
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.6.12
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.7.7
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.6.12

Vendor Advisories (1)

composerGHSA-g97c-jfx6-xvxhhigh

Symfony Vulnerable to Timing Attack

May 17, 2022

References

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