CVE-2007-4539

Exp

The WebService (XML-RPC) interface in Bugzilla 2.23.3 through 3.0.0 does not enforce permissions for the time-tracking fields of bugs, which allows remote attackers to obtain sensitive information via certain XML-RPC requests, as demonstrated by the (1) Deadline and (2) Estimated Time fields.

Published: 2007-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4539 is rated High Exploit Risk (61.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.65%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.07% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-4539

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-4539

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.58% 1.65% +1.07%
2 2025-11-11 0.48% 0.58% +0.10%
3 2025-03-30 — 0.48% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4539

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-4539

OS Trackers for CVE-2007-4539

vendor priority summary link
gentoo high CVE-2007-4539: 1 GLSA(s) (200709-18), 1 atom(s) (www-apps/bugzilla); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-4539
ubuntu low CVE-2007-4539 low priority: Ubuntu including 1 source packages (bugzilla), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-4539

Affected software / configurations for CVE-2007-4539

Vendor Product Version Raw CPE
mozilla bugzilla 2.4 cpe:2.3:a:mozilla:bugzilla:2.4:*:*:*:*:*:*:*
mozilla bugzilla 2.6 cpe:2.3:a:mozilla:bugzilla:2.6:*:*:*:*:*:*:*
mozilla bugzilla 2.8 cpe:2.3:a:mozilla:bugzilla:2.8:*:*:*:*:*:*:*
mozilla bugzilla 2.9 cpe:2.3:a:mozilla:bugzilla:2.9:*:*:*:*:*:*:*
mozilla bugzilla 2.23.3 cpe:2.3:a:mozilla:bugzilla:2.23.3:*:*:*:*:*:*:*
mozilla bugzilla 2.23.4 cpe:2.3:a:mozilla:bugzilla:2.23.4:*:*:*:*:*:*:*
mozilla bugzilla 3.0.0 cpe:2.3:a:mozilla:bugzilla:3.0.0:*:*:*:*:*:*:*

References for CVE-2007-4539

cvelogic Threat Intelligence