Integer underflow in freeDiameter
Priority LOW 36CWE-191Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.
Summary
An exploitable denial of service vulnerability exists in the freeDiameter functionality of freeDiameter 1.3.2. A specially crafted Diameter request can trigger a memory corruption resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
Why it matters now
EPSS 0.01763 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | freeDiameter | freeDiameter 1.3.2 | — | No fix listed | CNA |
- freeDiameter Vendor— Affected freeDiameter 1.3.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freediameter:freediameter:1.3.2:*:*:*:*:*:*:* | 1.3.2 | Vulnerable | Freediameter |
- cpe:2.3:a:freediameter:freediameter:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·Freediameter
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6098
- 2026-10-03 Alias added: GHSA-wcwj-33h6-vxqv
References
Sources
- CVE-2020-6098 · CVE Program
- CVE-2020-6098 · NVD
- FIRST EPSS
- GHSA-wcwj-33h6-vxqv · GitHub Advisory Database · CC BY 4.0
- CVE-2020-6098 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences