CVE-2010-2813

functions/imap_general.php in SquirrelMail before 1.4.21 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 preferences files.

Published: 2010-08-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-2813 is rated Moderate Risk (47.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.57%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-2813

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 5.30% 2.57% -2.72%
2 2025-12-28 5.42% 5.30% -0.12%
3 2025-12-27 — 5.42% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2813

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2010-2813

OS Trackers for CVE-2010-2813

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2010-2813
ubuntu low CVE-2010-2813 low priority: Ubuntu including 1 source packages (squirrelmail), 13 status rows across 13 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): not-affected 7, ignored 5, released 1. https://ubuntu.com/security/CVE-2010-2813

Affected software / configurations for CVE-2010-2813

Vendor Product Version Raw CPE
squirrelmail squirrelmail <= 1.4.20 cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0:rc2a:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0-r1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0-r1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.0_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.0_rc2a cpe:2.3:a:squirrelmail:squirrelmail:1.4.0_rc2a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2-r1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2-r1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2-r2 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2-r2:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2-r3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2-r3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2-r4 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2-r4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.2-r5 cpe:2.3:a:squirrelmail:squirrelmail:1.4.2-r5:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3:r3:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3_r3 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_r3:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.3_rc1:r1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3a cpe:2.3:a:squirrelmail:squirrelmail:1.4.3a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.3aa cpe:2.3:a:squirrelmail:squirrelmail:1.4.3aa:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4.4:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.4 cpe:2.3:a:squirrelmail:squirrelmail:1.4.4:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.4_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.4_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.5 cpe:2.3:a:squirrelmail:squirrelmail:1.4.5:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.5 cpe:2.3:a:squirrelmail:squirrelmail:1.4.5:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.5_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.5_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6 cpe:2.3:a:squirrelmail:squirrelmail:1.4.6:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6 cpe:2.3:a:squirrelmail:squirrelmail:1.4.6:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6_cvs cpe:2.3:a:squirrelmail:squirrelmail:1.4.6_cvs:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.6_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.6_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.7 cpe:2.3:a:squirrelmail:squirrelmail:1.4.7:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.8 cpe:2.3:a:squirrelmail:squirrelmail:1.4.8:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.8.4fc6 cpe:2.3:a:squirrelmail:squirrelmail:1.4.8.4fc6:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.9 cpe:2.3:a:squirrelmail:squirrelmail:1.4.9:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.9a cpe:2.3:a:squirrelmail:squirrelmail:1.4.9a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.10 cpe:2.3:a:squirrelmail:squirrelmail:1.4.10:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.10a cpe:2.3:a:squirrelmail:squirrelmail:1.4.10a:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.11 cpe:2.3:a:squirrelmail:squirrelmail:1.4.11:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.12 cpe:2.3:a:squirrelmail:squirrelmail:1.4.12:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.13 cpe:2.3:a:squirrelmail:squirrelmail:1.4.13:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15:rc1:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.15rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4.15rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.16 cpe:2.3:a:squirrelmail:squirrelmail:1.4.16:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.17 cpe:2.3:a:squirrelmail:squirrelmail:1.4.17:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.18 cpe:2.3:a:squirrelmail:squirrelmail:1.4.18:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4.19 cpe:2.3:a:squirrelmail:squirrelmail:1.4.19:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.4_rc1 cpe:2.3:a:squirrelmail:squirrelmail:1.4_rc1:*:*:*:*:*:*:*
squirrelmail squirrelmail 1.44 cpe:2.3:a:squirrelmail:squirrelmail:1.44:*:*:*:*:*:*:*

References for CVE-2010-2813

URL Tags
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/045372.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/045383.html
http://rhn.redhat.com/errata/RHSA-2012-0103.html
http://secunia.com/advisories/40964 Vendor Advisory
http://secunia.com/advisories/40971 Vendor Advisory
http://squirrelmail.org/security/issue/2010-07-23 Patch Vendor Advisory
http://squirrelmail.svn.sourceforge.net/viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/functions/imap_general.php?view=patch&r1=13972&r2=13971&pathrev=13972
http://support.apple.com/kb/HT5130
http://www.debian.org/security/2010/dsa-2091
http://www.securityfocus.com/bid/42399
http://www.vupen.com/english/advisories/2010/2070 Vendor Advisory
http://www.vupen.com/english/advisories/2010/2080 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=618096
https://exchange.xforce.ibmcloud.com/vulnerabilities/61124
cvelogic Threat Intelligence