How severe is CVE-2015-8764?

CVE-2015-8764 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-8764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8764?

CVE-2015-8764 primarily affects Freeradius. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8764?

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-2015-8764 published?

CVE-2015-8764 was published on 2017-03-27 and last updated on 2026-06-17.

CVE-2015-8764

CVE-2015-8764 is a high-severity vulnerability in Freeradius with a CVSS 3.x base score of 8.1. 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 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Freeradius
Published: 2017-03-27
Last modified: 2026-06-17

Description

Off-by-one error in the EAP-PWD module in FreeRADIUS 3.0 through 3.0.8, which triggers a buffer overflow.

Frequently asked questions

What is CVE-2015-8764?: Off-by-one error in the EAP-PWD module in FreeRADIUS 3.0 through 3.0.8, which triggers a buffer overflow.
How severe is CVE-2015-8764?: CVE-2015-8764 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-8764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8764?: CVE-2015-8764 primarily affects Freeradius. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8764?: 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-2015-8764 published?: CVE-2015-8764 was published on 2017-03-27 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:freeradius:freeradius:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:freeradius:freeradius:3.0.8:*:*:*:*:*:*:*

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