How severe is CVE-2015-8763?

CVE-2015-8763 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-2015-8763 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8763?

CVE-2015-8763 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-2015-8763?

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-2015-8763 published?

CVE-2015-8763 was published on 2017-03-27 and last updated on 2026-06-17.

CVE-2015-8763

CVE-2015-8763 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Freeradius
Published: 2017-03-27
Last modified: 2026-06-17

Description

The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to have unspecified impact via a crafted (1) commit or (2) confirm message, which triggers an out-of-bounds read.

Frequently asked questions

What is CVE-2015-8763?: The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to have unspecified impact via a crafted (1) commit or (2) confirm message, which triggers an out-of-bounds read.
How severe is CVE-2015-8763?: CVE-2015-8763 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-2015-8763 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8763?: CVE-2015-8763 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-2015-8763?: 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-2015-8763 published?: CVE-2015-8763 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:*:*:*:*:*:*:*

More vulnerabilities in Freeradius

CVE-2019-11235 — Critical (CVSS 9.8): FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that…
CVE-2019-11234 — Critical (CVSS 9.8): FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a…
CVE-2017-10984 — Critical (CVSS 9.8): An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote…
CVE-2017-10979 — Critical (CVSS 9.8): An FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote…
CVE-2017-9148 — Critical (CVSS 9.8): The TLS session cache in FreeRADIUS 2.1.1 through 2.1.7, 3.0.x before 3.0.14, 3.1.x before 2017-02-04, and 4.0.x before…
CVE-2024-3596 — Critical (CVSS 9.0): RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response…

All CVEs affecting Freeradius →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →