CVE-2020-36400

CRITICALImmediate

Published:Jul 1, 2021(4 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
zeromq	libzmq	-	-

Timeline

Published
CVE disclosed publicly
Jul 1, 20214 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20262 months ago

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042Issue Tracking
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-20...Third Party Advisory
https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0...Patch

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

zeromq / libzmq

CVE-2020-36400

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2020-36400

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description