Is CVE-2023-6888 actively exploited?

No active exploitation of CVE-2023-6888 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-6888 be exploited remotely?

Yes. CVE-2023-6888 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-6888?

CVE-2023-6888 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-6888

CWE-121Published: December 17, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability classified as critical was found in PHZ76 RtspServer 1.0.0. This vulnerability affects the function ParseRequestLine of the file RtspMesaage.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248248. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

PHZ76 RtspServer 1.0.0 contains a stack-based buffer overflow vulnerability in the ParseRequestLine function. This critical flaw allows remote, unauthenticated attackers to potentially execute arbitrary code or crash the service, as reflected by its maximum CVSS score of 9.8.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog. The flaw is remotely exploitable with low attack complexity.

Recommended Action

Users should monitor for updates from the vendor, though the vendor has not responded to disclosure attempts.

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-2023-6888 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.