CVE-2005-1650

The web mail service in Woppoware PostMaster 4.2.2 (build 3.2.5) generates different error messages depending on whether a user exists or not, which allows remote attackers to determine valid usernames.

Published: 2005-05-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-1650 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.66%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2005-1650

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 0.84% 1.66% +0.82%
2 2026-03-04 0.47% 0.84% +0.37%
3 2026-03-01 — 0.47% —

Full EPSS history (40 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-1650

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-2005-1650

Affected software / configurations for CVE-2005-1650

Vendor Product Version Raw CPE
woppoware postmaster 4.2.2 cpe:2.3:a:woppoware:postmaster:4.2.2:*:*:*:*:*:*:*

References for CVE-2005-1650

URL Tags
http://secunia.com/advisories/15268 Broken Link
http://www.securityfocus.com/bid/13597 Broken Link Third Party Advisory VDB Entry
cvelogic Threat Intelligence