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CVE-2020-6061
CRITICAL
An exploitable heap out-of-bounds read vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to send an HTTPS request to trigger this vulnerability.
Published: Feb 19, 2020
Modified: Jun 17, 2026
CWE-125
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (10)
| Vendor | Product | Version |
|---|---|---|
| coturn_project | coturn | 4.5.1.1 |
| fedoraproject | fedora | 30 |
| fedoraproject | fedora | 31 |
| fedoraproject | fedora | 32 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 18.04 |
| canonical | ubuntu_linux | 19.10 |
| canonical | ubuntu_linux | 20.04 |
GitHub Security Advisory GHSA-9vj8-fr5m-q39w
An exploitable heap overflow vulnerability exists in the way CoTURN 4.5.1.1 web server parses...
References (12)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQZZPI34LAS3SFNW6Z2ZJ46RKVGEODNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUVZRXW5ZIGWVKOLF3NPXRPP74YX7BUY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2NK6FT7AMW5UIZNXDNHKEAYWAUMGSF/
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0984 Exploit, Third Party Advisory
- https://usn.ubuntu.com/4415-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4711 Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQZZPI34LAS3SFNW6Z2ZJ46RKVGEODNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUVZRXW5ZIGWVKOLF3NPXRPP74YX7BUY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2NK6FT7AMW5UIZNXDNHKEAYWAUMGSF/
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0984 Exploit, Third Party Advisory
- https://usn.ubuntu.com/4415-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4711 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
5.12%
Top 8% most likely to be exploited
Threat Score
40.7 / 100
Data Sources
NVD
EPSS
GitHub