Freeradius
CVE-2015-8762
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.50%. |
| Exploit ScenarioDerived | A remote attacker could crash the application by dereferencing a null pointer by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a zero-length EAP-PWD packet. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a zero-length EAP-PWD packet. Affected products include: Freeradius. Version information: through 3.0.8.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a zero-length EAP-PWD packet.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
More in Freeradius
View allAn FR-GV-202 issue in FreeRADIUS 2.x before 2.2.10 allows "Write overflow in rad_coalesce()" - this allows remote attack
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (
An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows remote attac
Stack-based buffer overflow in the normify function in the rlm_pap module (modules/rlm_pap/rlm_pap.c) in FreeRADIUS 2.x,
It was discovered freeradius up to and including version 3.0.19 does not correctly configure logrotate, allowing a local
In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element canno
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
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that
FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a "Dragonblood" issue, a si
Stack-based buffer overflow in the cbtls_verify function in FreeRADIUS 2.1.10 through 2.1.12, when using TLS-based EAP m
The EAP-PWD module in FreeRADIUS 3.0 through 3.0.8 allows remote attackers to have unspecified impact via a crafted (1)
Off-by-one error in the EAP-PWD module in FreeRADIUS 3.0 through 3.0.8, which triggers a buffer overflow. Rated high sev
GitHub PoC
Exploit-DB