How severe is CVE-2005-1650?

CVE-2005-1650 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-1650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1650?

CVE-2005-1650 affects Woppoware Postmaster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-1650?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-1650 published?

CVE-2005-1650 was published on 2005-05-18 and last updated on 2026-06-16.

CVE-2005-1650

CVE-2005-1650 is a medium-severity vulnerability in Woppoware Postmaster with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Woppoware Postmaster
Published: 2005-05-18
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2005-1650?: CVE-2005-1650 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-1650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1650?: CVE-2005-1650 affects Woppoware Postmaster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1650?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1650 published?: CVE-2005-1650 was published on 2005-05-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:woppoware:postmaster:4.2.2:*:*:*:*:*:*:*

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