SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-0727

A kernel leak in the OpenBSD kernel allows IPsec packets to be sent unencrypted.

MEDIUM 5.0EPSS 0.99%

Does this matter?

Lower severity and a low EPSS score (0.99%). Track it; it rarely justifies an emergency change on its own.

Description

A kernel leak in the OpenBSD kernel allows IPsec packets to be sent unencrypted.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
0.99% probability · 62th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
openbsd/openbsd
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.99%26 October 202626 October 2026

EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.