How severe is CVE-2013-2220?

CVE-2013-2220 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-2220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2220?

CVE-2013-2220 primarily affects Radius Extension Project Radius. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2220?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-2220 published?

CVE-2013-2220 was published on 2013-07-31 and last updated on 2026-06-16.

CVE-2013-2220

CVE-2013-2220 is a high-severity vulnerability in Radius Extension Project Radius with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Radius Extension Project Radius
Published: 2013-07-31
Last modified: 2026-06-16

Description

Buffer overflow in the radius_get_vendor_attr function in the Radius extension before 1.2.7 for PHP allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large Vendor Specific Attributes (VSA) length value.

Frequently asked questions

What is CVE-2013-2220?: Buffer overflow in the radius_get_vendor_attr function in the Radius extension before 1.2.7 for PHP allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large Vendor Specific Attributes (VSA) length value.
How severe is CVE-2013-2220?: CVE-2013-2220 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-2220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2220?: CVE-2013-2220 primarily affects Radius Extension Project Radius. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-2220 published?: CVE-2013-2220 was published on 2013-07-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:radius_extension_project:radius:*:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.1:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:radius_extension_project:radius:1.2.5:*:*:*:*:*:*:*

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

50.255.62.89 (ipv4-addr)
117.53.44.117 (ipv4-addr)
45.84.120.3 (ipv4-addr)
79.137.34.248 (ipv4-addr)
64.53.7.231 (ipv4-addr)
45.232.73.84 (ipv4-addr)
43.133.148.170 (ipv4-addr)
41.205.23.59 (ipv4-addr)