How severe is CVE-2014-2576?

CVE-2014-2576 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2014-2576 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2576?

CVE-2014-2576 primarily affects Claws-mail. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2576?

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

When was CVE-2014-2576 published?

CVE-2014-2576 was published on 2014-10-15 and last updated on 2026-06-17.

CVE-2014-2576

CVE-2014-2576 is a medium-severity vulnerability in Claws-mail with a CVSS 2.0 base score of 6.8. 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 6.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Claws-mail
Published: 2014-10-15
Last modified: 2026-06-17

Description

plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.

Frequently asked questions

What is CVE-2014-2576?: plugins/rssyl/feed.c in Claws Mail before 3.10.0 disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.
How severe is CVE-2014-2576?: CVE-2014-2576 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-2576 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2576?: CVE-2014-2576 primarily affects Claws-mail. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2576?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2576 published?: CVE-2014-2576 was published on 2014-10-15 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*

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