How severe is CVE-2023-52729?

CVE-2023-52729 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-52729 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-52729?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-52729 have an EU (EUVD) identifier?

Yes. CVE-2023-52729 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59448.

When was CVE-2023-52729 published?

CVE-2023-52729 was published on 2024-05-04 and last updated on 2026-06-17.

CVE-2023-52729

CVE-2023-52729 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59448
Weakness: CWE-120
Published: 2024-05-04
Last modified: 2026-06-17

Description

TCPServer.cpp in SimpleNetwork through 29bc615 has an off-by-one error that causes a buffer overflow when trying to add '\0' to the end of long msg data. It can be exploited via crafted TCP packets.

Frequently asked questions

What is CVE-2023-52729?: TCPServer.cpp in SimpleNetwork through 29bc615 has an off-by-one error that causes a buffer overflow when trying to add '\0' to the end of long msg data. It can be exploited via crafted TCP packets.
How severe is CVE-2023-52729?: CVE-2023-52729 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-52729 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-52729?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-52729 have an EU (EUVD) identifier?: Yes. CVE-2023-52729 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59448.
When was CVE-2023-52729 published?: CVE-2023-52729 was published on 2024-05-04 and last updated on 2026-06-17.

References

https://github.com/kashimAstro/SimpleNetwork/issues/23

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