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CVE-2007-3073

20
FAUCET Score

CVE-2007-3073 describes a directory traversal vulnerability in Mozilla Firefox 2.0.0.4 and earlier versions running on Mac OS X and Unix systems. This flaw allows remote attackers to read arbitrary files on the affected system by using specially crafted resource:// URIs containing "..%2F" sequences. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete compromise of confidentiality. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 57th percentile among its peer group of 51,506 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

Remediation records are not available for this CVE.

References

ha.ckers.org / blog/20070516/read-firefox-settings-poc
larholm.com / 2007/05/25/firefox-0day-local-file-reading
larholm.com / 2007/06/04/unpatched-input-validation-flaw-in-firefox-2004
osvdb.org / 35920
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/25481
securityfocus.com / archive/1/470500/100/0/threaded