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CVE-2009-1381

23
FAUCET Score

CVE-2009-1381 is a remote command execution vulnerability affecting SquirrelMail versions prior to 1.4.19-1 on Debian GNU/Linux, and potentially other systems. It allows unauthenticated attackers to execute arbitrary commands by injecting shell metacharacters into a username string processed by the ypmatch program. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring moderate attack complexity but potentially leading to partial compromise of confidentiality, integrity, and availability. There is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.2CPE matchmatch criteria
cpe:2.3:a:squirrelmail:imap_general.php:1.2.2:*:*:*:*:*:*:*
1.2.5CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.5:*:*:*:*:*:*:*
1.2.6CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.6:*:*:*:*:*:*:*
1.2.6-rc1CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.6-rc1:*:*:*:*:*:*:*
1.2.7CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 78th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

debianvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-1381Important

squirrelmail: incomplete fix for CVE-2009-1579

May 21, 2009

References

release.debian.org / proposed-updates/stable_diffs/squirrelmail_1.4.15-4+lenny2.debdiff
ExploitVendor Advisory
secunia.com / advisories/35140
Vendor Advisory
redhat.com / archives/fedora-package-announce/2009-May/msg01195.html
redhat.com / archives/fedora-package-announce/2009-May/msg01202.html
debian.org / security/2009/dsa-1802
Vendor Advisory
mandriva.com / security/advisories
securityfocus.com / archive/1/503718/100/0/threaded