Is CVE-2012-2124 being actively exploited?

CVE-2012-2124 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-2124?

CVE-2012-2124 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2012-2124

MEDIUM · CVSS 5.0EPSS 2.5%EU EUVD

functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preference files. NOTE: this issue exists because of an incorrect fix for CVE-2010-2813.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 2.5% (84th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-2126)
Published: January 18, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-2126 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

redhat / enterprise linux
redhat / enterprise linux
squirrelmail / squirrelmail

Certified products that may be affected

9 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
Red Hat Enterprise Linux 5 OpenSSH Client Cryptographic Module - Red Hat®, Inc. - FIPS 140 1385 - historical
Red Hat Enterprise Linux 5 OpenSwan Cryptographic Module - Red Hat®, Inc. - FIPS 140 1386 - historical
Red Hat Enterprise Linux 5 Kernel Crypto API Cryptographic Module - Red Hat®, Inc. - FIPS 140 1387 - historical
Red Hat Enterprise Linux 5 OpenSSL Cryptographic Module - Red Hat®, Inc. - FIPS 140 1320 - historical

See all 9 in the Security Certifications Explorer.

References

http://rhn.redhat.com/errata/RHSA-2013-0126.html(Vendor Advisory)
http://secunia.com/advisories/51730(Vendor Advisory)
http://www.openwall.com/lists/oss-security/2012/04/20/22
https://bugzilla.redhat.com/show_bug.cgi?id=814671

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

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