SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-2125

OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.

MEDIUM 5.0EPSS 2.47%

Does this matter?

Lower severity and a low EPSS score (2.47%). Track it; it rarely justifies an emergency change on its own.

Description

OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a denial of service (connection blocking) by keeping a connection open.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
2.47% probability · 84th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-310
Affected
openbsd/opensmtpd
Source
secalert@redhat.com
EPSS trend
0%3%5%26 October 2026: 2.47%26 October 202626 October 2026

EPSS 2.5% 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.