CVE-1999-0850

The default permissions for Endymion MailMan allow local users to read email or modify files.

Published: 1999-12-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0850 is rated Low Risk (22.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.08%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-1999-0850

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 2025-03-17 0.04% 0.08% +0.04%
2 2023-03-07 0.89% 0.04% -0.84%
3 2022-02-04 0.89%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0850

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.6 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
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:N)
No availability impact.
3.9 4.9 [email protected]

Weakness enumeration for CVE-1999-0850

Affected software / configurations for CVE-1999-0850

Vendor Product Version Raw CPE
endymion mailman_webmail 3.0.18 cpe:2.3:a:endymion:mailman_webmail:3.0.18:*:*:*:*:*:*:*

References for CVE-1999-0850

cvelogic Threat Intelligence