Is CVE-2010-1637 being actively exploited?

CVE-2010-1637 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-1637?

CVE-2010-1637 has a CVSS 3.1 base score of 6.5 (MEDIUM).

CVE-2010-1637

MEDIUM · CVSS 6.5EPSS 2.7%EU EUVD

The Mail Fetch plugin in SquirrelMail 1.4.20 and earlier allows remote authenticated users to bypass firewall restrictions and use SquirrelMail as a proxy to scan internal networks via a modified POP3 port number.

Key facts

CVSS score: 6.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-918
EPSS score: 2.7% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-1658)
Published: June 22, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-1658 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apple / mac os x
apple / mac os x server
fedoraproject / fedora
fedoraproject / fedora
fedoraproject / fedora
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux workstation
squirrelmail / squirrelmail

Certified products that may be affected

3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
Apple Mac OS X 10.6 - Apple Inc. - Common Criteria BSI-DSZ-CC-0536-2010 - archived
Apple Mac OS X v10.3.6 and Apple Mac OS X Server V10.3.6 - Apple Inc. - Common Criteria CCEVS-VR-0086-2005 - archived

References

http://conference.hitb.org/hitbsecconf2010dxb/materials/D1%20-%20Laurent%20Oudot%20-%20Improving%20the%20Stealthiness%20of%20Web%20Hacking.pdf#page=69(Broken Link)
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html(Mailing List)
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043239.html(Mailing List)
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043258.html(Mailing List)
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043261.html(Mailing List)
http://rhn.redhat.com/errata/RHSA-2012-0103.html(Third Party Advisory)
http://secunia.com/advisories/40307(Broken Link)
http://squirrelmail.org/security/issue/2010-06-21(Patch, Vendor Advisory)
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/plugins/mail_fetch/functions.php?r1=13951&r2=13950&pathrev=13951(Product)
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/plugins/mail_fetch/options.php?r1=13951&r2=13950&pathrev=13951(Patch)
http://support.apple.com/kb/HT5130(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:120(Broken Link)
http://www.openwall.com/lists/oss-security/2010/05/25/3(Mailing List)
http://www.openwall.com/lists/oss-security/2010/05/25/9(Mailing List)
http://www.openwall.com/lists/oss-security/2010/06/21/1(Mailing List, Patch)
http://www.securityfocus.com/bid/40291(Broken Link, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/40307(Broken Link, Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2010/1535(Broken Link)
http://www.vupen.com/english/advisories/2010/1536(Broken Link)
http://www.vupen.com/english/advisories/2010/1554(Broken Link)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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