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CVE-2013-2220

24
FAUCET Score

CVE-2013-2220 describes a buffer overflow vulnerability in the radius_get_vendor_attr function of the PHP Radius extension prior to version 1.2.7. This flaw allows remote attackers to trigger a denial of service and potentially execute arbitrary code by supplying a large Vendor Specific Attributes (VSA) length value. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.6CPE matchmatch criteria
cpe:2.3:a:radius_extension_project:radius:*:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:radius_extension_project:radius:1.1:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:radius_extension_project:radius:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:radius_extension_project:radius:1.2.2:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:radius_extension_project:radius:1.2.3:*:*:*:*:*:*:*

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
3.68%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0368 is in the 80th percentile among its peer group of 51,466 CVEs.

Social Chatter

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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
pecl.php.net / package/radius/1.2.7
github.com / LawnGnome/php-radius/commit/13c149b051f82b709e8d7cc32111e84b49d57234
ExploitPatch
debian.org / security/2013/dsa-2726