CVE-2009-4929

Exp

admin/manage_users.php in TotalCalendar 2.4 does not require administrative authentication, which allows remote attackers to change arbitrary passwords via the newPW1 and newPW2 parameters.

Published: 2010-07-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4929 is rated High Exploit Risk (72.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.54%). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2009-4929

EDB-ID Source Kind Published Link
8496 exploit_db edb 2009-04-20 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4929

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 2025-03-30 2.23% 1.54% -0.69%
2 2025-03-29 1.54% 2.23% +0.69%
3 2025-03-19 — 1.54% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4929

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-4929

Affected software / configurations for CVE-2009-4929

Vendor Product Version Raw CPE
sweetphp totalcalender 2.4 cpe:2.3:a:sweetphp:totalcalender:2.4:*:*:*:*:*:*:*

References for CVE-2009-4929

cvelogic Threat Intelligence