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CRITICAL

CVE-2020-6061

CVSS v3

9.8

CRITICAL

EPSS Score

5.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2020-6061 Red Hat Product Security

    coturn: specially crafted HTTP POST request can lead to heap overflow which can result in information leak

Full record on NVD

Description

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.

Technical details

Published
2020-02-19

Frequently asked questions

What is CVE-2020-6061?

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.

Is CVE-2020-6061 actively exploited?

Active exploitation of CVE-2020-6061 has not been confirmed. Its EPSS score was 5.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6061?

CVE-2020-6061 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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