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CVE-2007-4539

15
FAUCET Score

CVE-2007-4539 describes an information disclosure vulnerability in the WebService (XML-RPC) interface of Bugzilla versions 2.23.3 through 3.0.0. This flaw allows remote attackers to bypass permission checks and access sensitive time-tracking fields, such as Deadline and Estimated Time, through specific XML-RPC requests. With a CVSS score of 5.0 (medium severity), it is easily exploitable over the network with low attack complexity, leading to partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

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:*:*:*:*:*:*:*
2.23.3CPE matchmatch criteria
cpe:2.3:a:mozilla:bugzilla:2.23.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
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
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0165 is in the 59th percentile among its peer group of 23,723 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 / 37202
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/36244
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