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CVE-2007-4538

15
FAUCET Score

CVE-2007-4538 describes a command injection vulnerability in the email_in.pl script of Bugzilla versions 2.23.4 through 3.0.0. This flaw allows remote attackers to execute arbitrary commands by manipulating the "From address" option passed to the Email::Send::Sendmail function, likely through shell metacharacters. The vulnerability has a CVSS score of 5.0, indicating a medium severity with a network-based attack vector, low attack complexity, and potential for partial integrity impact. There is no evidence of active exploitation, readily available exploit code in common frameworks like Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.4CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.4:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.6:*:*:*:*:*:*:*
2.8CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.8:*:*:*:*:*:*:*
2.9CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.9:*:*:*:*:*:*:*
2.23.4CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.23.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 66th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

osvdb.org / 37203
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/26584
PatchVendor Advisory
secunia.com / advisories/26971
security.gentoo.org / glsa/glsa-200709-18.xml
exchange.xforce.ibmcloud.com / vulnerabilities/36243
bugzilla.org / security/2.20.4
securityfocus.com / archive/1/477630/100/0/threaded
securityfocus.com / bid/25425
ExploitPatch
securitytracker.com / id
vupen.com / english/advisories/2007/2977