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HIGH

CVE-2023-27787

CVSS v3

7.5

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint.

Technical details

Published
2023-03-16

Frequently asked questions

What is CVE-2023-27787?

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint.

Is CVE-2023-27787 actively exploited?

Active exploitation of CVE-2023-27787 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-27787?

CVE-2023-27787 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2023-27787 affecting your environment?

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