How severe is CVE-2013-2125?

CVE-2013-2125 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-2125 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2125?

CVE-2013-2125 affects Openbsd Opensmtpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2125?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-2125 published?

CVE-2013-2125 was published on 2014-05-27 and last updated on 2026-06-16.

CVE-2013-2125

CVE-2013-2125 is a medium-severity vulnerability in Openbsd Opensmtpd with a CVSS 2.0 base score of 5.0. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Openbsd Opensmtpd
Published: 2014-05-27
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-2125?: CVE-2013-2125 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-2125 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2125?: CVE-2013-2125 affects Openbsd Opensmtpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2125?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2125 published?: CVE-2013-2125 was published on 2014-05-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:openbsd:opensmtpd:*:*:*:*:*:*:*:*

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