admin/manage_users.php in TotalCalendar 2.4 does not require administrative authentication, which allows remote attackers to change arbitra…

published 2010-07-09 16y ago modified 2026-06-16 4mo ago also EUVD-2009-4891

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 1; Exploit-DB

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.

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Timeline

2009-04-20 First public exploit (EDB-8496)
2010-07-09 Published

Exploit prediction

2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-8496 TotalCalendar 2.4 - Remote Password Change webapps, 2009-04-20
securityfocus.com http://www.securityfocus.com/bid/34619 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-287 Improper Authentication

References

exploit-db.com /exploits/8496
exploit
securityfocus.com /bid/34619
vdb-entry, exploit
secunia.com /advisories/34824
third-party-advisory, vendor-advisory

Sources

CVE List CVE-2009-4929
NVD CVE-2009-4929

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