CVE-2023-52557

HIGHScheduled

Published:Mar 1, 2024(2 years ago)

Modified:Oct 10, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
openbsd	openbsd	7.3	-
openbsd	openbsd	-	-
openbsd	openbsd	-

Timeline

Published
CVE disclosed publicly
Mar 1, 20242 years ago
Last Modified
Most recent update
Oct 10, 20257 months ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch...Patch
https://github.com/openbsd/src/commit/abf3a29384c582c807a621e7fc6e7c68...Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/016_npppd.patch...Patch

CVSS Score

v3.1

7.5/ 10.0

HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

At a Glance

Affected Products

References

openbsd / openbsd

CVE-2023-52557

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2023-52557

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description