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CVE-2004-0521

25
FAUCET Score

CVE-2004-0521 describes a critical SQL injection vulnerability in SquirrelMail versions prior to 1.4.3 RC1, specifically impacting products like SGI ProPack and SquirrelMail. This flaw allows unauthenticated remote attackers to execute arbitrary SQL statements, likely through abook_database.php, leading to complete compromise of confidentiality, integrity, and availability. Despite its maximum CVSS score of 10.0, indicating a severe risk, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:sgi:propack:3.0:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.0.4:*:*:*:*:*:*:*
1.0.5CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.0.5:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.15%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0315 is in the 76th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: squirrelmail-0:1.4.3-0.e3.1
View patch
gentoovendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2004-0521Important

security flaw

Apr 27, 2004

References

patches.sgi.com / support/free/security/advisories/20040604-01-U.asc
distro.conectiva.com.br / atualizacoes
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2004-240.html
bugzilla.fedora.us / show_bug.cgi
secunia.com / advisories/11685
secunia.com / advisories/11686
secunia.com / advisories/11870
secunia.com / advisories/12289
security.gentoo.org / glsa/glsa-200405-16.xml
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/16235
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1033
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11446
ciac.org / ciac/bulletins/o-212.shtml
debian.org / security/2004/dsa-535
osvdb.org / 6841
securityfocus.com / advisories/6827
securityfocus.com / advisories/7148
securityfocus.com / bid/10397
PatchVendor Advisory