CVE-2020-6098
An exploitable denial of service vulnerability exists in the freeDiameter functionality of...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-6098- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191
- Updated
- 2026-11-02
EUVDEUVD-2020-27252
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.
- Record
EUVD-2020-27252- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wcwj-33h6-vxqv
An exploitable denial of service vulnerability exists in the freeDiameter functionality of...
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.
- Record
GHSA-wcwj-33h6-vxqv- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-191, CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-6098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-191, CWE-787
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-6098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVDEBIAN-CVE-2020-6098
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.
- Record
DEBIAN-CVE-2020-6098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-6098
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.
- Record
UBUNTU-CVE-2020-6098- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
freediameterDebian:12 |
before 1.2.1-8 | 1.2.1-8 |
freediameterDebian:13 |
before 1.2.1-8 | 1.2.1-8 |
freediameterDebian:14 |
before 1.2.1-8 | 1.2.1-8 |
freediameterUbuntu:20.04:LTS |
All versions, plus listed versions 1.2.1-7 |
None known |
freediameterUbuntu:22.04:LTS |
All versions, plus listed versions 1.2.1-81.2.1-8build1 |
None known |
freediameterUbuntu:24.04:LTS |
All versions, plus listed versions 1.2.1-8build11.2.1-8build21.2.1-8build3 |
None known |
freediameterUbuntu:25.10 |
All versions, plus listed versions 1.5.0-11.5.0-2 |
None known |
freediameterUbuntu:26.10 |
All versions, plus listed versions 1.6.0-1 |
None known |
freediameterUbuntu:26.04:LTS |
All versions, plus listed versions 1.5.0-21.6.0-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD, OSV | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-6098 is a high vulnerability (CVSS 7.5) in Freediameter, published July 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.76%, the 78th percentile. Fixed in freediameter 1.2.1-8.