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CVE-2004-0520

29
FAUCET Score

CVE-2004-0520 describes a cross-site scripting (XSS) vulnerability in SquirrelMail versions prior to 1.4.3, specifically within the mime.php component. This flaw allows remote attackers to inject arbitrary HTML and script into a user's browser by manipulating the content-type mail header, as demonstrated via read_body.php. The vulnerability affects various SquirrelMail-based products, including open_webmail and SGI SquirrelMail implementations. With a CVSS score of 6.8, this vulnerability is rated as medium severity, indicating a network-based attack with medium complexity and potential for partial confidentiality, integrity, and availability impacts. The FAUCET Risk Score of 94/100 further highlights its significant risk. While there is no evidence of active exploitation (not in KEV or Hot List), an exploit for HTML injection via email headers is available on ExploitDB. Despite this, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.30CPE matchmatch criteria
cpe:2.3:a:open_webmail:open_webmail:2.30:*:*:*:*:*:*:*
2.31CPE matchmatch criteria
cpe:2.3:a:open_webmail:open_webmail:2.31:*:*:*:*:*:*:*
2.32CPE matchmatch criteria
cpe:2.3:a:open_webmail:open_webmail:2.32:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:sgi:propack:3.0:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:squirrelmail:squirrelmail:1.2.0:*:*:*:*:*:*:*

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
7.13%
Probability of exploitation in next 30 days
EPSS Percentile
93.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-24160 · May 31, 2004
This CVE's current EPSS score of 0.0713 is in the 93rd percentile among its peer group of 19,953 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, 0.0 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 (2)

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

Vendor Advisories (1)

redhatCVE-2004-0520

security flaw

May 23, 2004

References

patches.sgi.com / support/free/security/advisories/20040604-01-U.asc
Patch
distro.conectiva.com.br / atualizacoes
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2004-240.html
PatchVendor Advisory
bugzilla.fedora.us / show_bug.cgi
Patch
secunia.com / advisories/11870
PatchVendor Advisory
secunia.com / advisories/12289
PatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1012
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10766
debian.org / security/2004/dsa-535
PatchVendor Advisory
gentoo.org / security/en/glsa/glsa-200406-08.xml
Vendor Advisory
rs-labs.com / adv/RS-Labs-Advisory-2004-1.txt
Vendor Advisory
securityfocus.com / advisories/6827
PatchVendor Advisory
securityfocus.com / bid/10439
ExploitPatch