Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-1579

25
FAUCET Score

CVE-2009-1579 describes a remote command execution vulnerability in SquirrelMail versions prior to 1.4.18 and NaSMail before 1.7. An attacker can exploit this by injecting shell metacharacters into a username, which is then processed by the ypmatch program in the map_yp_alias function. This vulnerability has a CVSS score of 6.8, indicating a medium severity with network access, medium complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
<= 1.4.17CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:0.1:*:*:*:*:*:*:*
0.1.1CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:0.1.1:*:*:*:*:*:*:*
0.1.2CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:0.1.2:*:*:*:*:*:*:*

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
3.40%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0340 is in the 82nd percentile among its peer group of 19,958 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

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: squirrelmail-0:1.4.8-13.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: squirrelmail-0:1.4.8-5.el4_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: squirrelmail-0:1.4.8-5.el5_3.7
View patch

Vendor Advisories (1)

redhatCVE-2009-1579Important

SquirrelMail: Server-side code injection in map_yp_alias username map

May 10, 2009

References

download.gna.org / nasmail/nasmail-1.7.zip
lists.apple.com / archives/security-announce/2010//Jun/msg00001.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/35052
Vendor Advisory
secunia.com / advisories/35073
Vendor Advisory
secunia.com / advisories/35140
secunia.com / advisories/35259
secunia.com / advisories/37415
secunia.com / advisories/40220
exchange.xforce.ibmcloud.com / vulnerabilities/50461
gna.org / forum/forum.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10986
squirrelmail.svn.sourceforge.net / viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/doc/ChangeLog
Patch
squirrelmail.svn.sourceforge.net / viewvc/squirrelmail/branches/SM-1_4-STABLE/squirrelmail/functions/imap_general.php
Patch
squirrelmail.svn.sourceforge.net / viewvc/squirrelmail
Patch
support.apple.com / kb/HT4188
redhat.com / archives/fedora-package-announce/2009-May/msg00566.html
Patch
redhat.com / archives/fedora-package-announce/2009-May/msg00572.html
redhat.com / archives/fedora-package-announce/2009-May/msg00577.html
Patch
debian.org / security/2009/dsa-1802
mandriva.com / security/advisories
Patch
redhat.com / support/errata/RHSA-2009-1066.html
securityfocus.com / bid/34916
Patch
squirrelmail.org / security/issue/2009-05-10
PatchVendor Advisory
vupen.com / english/advisories/2009/1296
PatchVendor Advisory
vupen.com / english/advisories/2009/3315
vupen.com / english/advisories/2010/1481