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CVE-2013-5958

15
FAUCET Score

CVE-2013-5958 describes a denial-of-service vulnerability in the Security component of Symfony versions 2.0.x, 2.1.x, 2.2.x, and 2.3.x. Remote attackers can exploit this by submitting a long password, triggering an expensive hash computation (e.g., PBKDF2) that consumes excessive CPU resources. This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity, requiring no authentication, and resulting in partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.0.3:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:sensiolabs:symfony:2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.87%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 65th percentile among its peer group of 23,725 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (9)

composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.0.25
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.1.13
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.2.9
composerpatch availablevia ghsa
Product: symfony/symfonyFixed in: 2.3.6
composerpatch availablevia ghsa
Product: symfony/polyfillFixed in: 1.10.0
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.0.25
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.1.13
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.2.9
composerpatch availablevia ghsa
Product: symfony/securityFixed in: 2.3.6

Vendor Advisories (1)

composerGHSA-cr49-fx2v-9p57medium

Symfony Denial of Service Via Long Password Hashing

May 17, 2022

References

symfony.com / blog/security-releases-cve-2013-5958-symfony-2-0-25-2-1-13-2-2-9-and-2-3-6-released
Vendor Advisory