Is CVE-2023-28561 actively exploited?

No active exploitation of CVE-2023-28561 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-28561 be exploited remotely?

Yes. CVE-2023-28561 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-28561?

CVE-2023-28561 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-28561

CWE-120Published: August 8, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Memory corruption in QESL while processing payload from external ESL device to firmware.

NVD Source

Risk Analysis

A memory corruption vulnerability exists in Qualcomm QESL firmware when processing payloads from external devices. This critical flaw has a CVSS score of 9.8 and could lead to system instability or code execution.

No public exploit is known, and it is not in the CISA KEV. It is remotely exploitable with low attack complexity.

Recommended Action

Apply firmware updates provided by the device manufacturer. Ensure that external device communication is restricted where possible.

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-2023-28561 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.