Is CVE-2024-21646 actively exploited?

No active exploitation of CVE-2024-21646 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-21646 be exploited remotely?

Yes. CVE-2024-21646 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-21646?

CVE-2024-21646 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2024-21646

CWE-94Published: January 9, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Azure uAMQP is a general purpose C library for AMQP 1.0. The UAMQP library is used by several clients to implement AMQP protocol communication. When clients using this library receive a crafted binary type data, an integer overflow or wraparound or memory safety issue can occur and may cause remote code execution. This vulnerability has been patched in release 2024-01-01.

NVD Source

Risk Analysis

Azure uAMQP is susceptible to memory safety issues and integer overflows when processing crafted binary data, which can lead to remote code execution. With a CVSS score of 9.8, this critical vulnerability requires immediate attention for any systems utilizing this library.

There is no known public exploit for this issue, and it is not tracked in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Update the Azure uAMQP library to the release dated 2024-01-01 or later. Ensure all dependent applications are recompiled or updated to use the patched library.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2024-21646 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.