CVE-2000-0198

Exp

Buffer overflow in POP3 and IMAP servers in the MERCUR mail server suite allows remote attackers to cause a denial of service.

Published: 2000-03-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0198 is rated High Exploit Risk (70.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.43%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.33% over the last day, indicating growing attacker interest. 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-2000-0198

EDB-ID Source Kind Published Link
19807 exploit_db edb 2000-03-14 Exploit-DB ↗
19806 exploit_db edb 2000-03-14 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-0198

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 6.10% 8.43% +2.33%
2 2025-03-30 6.19% 6.10% -0.09%
3 2025-03-29 — 6.19% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0198

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:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2000-0198

Affected software / configurations for CVE-2000-0198

Vendor Product Version Raw CPE
atrium_software mercur_imap4_server 3.20.01 cpe:2.3:a:atrium_software:mercur_imap4_server:3.20.01:*:*:*:*:*:*:*
atrium_software mercur_mailserver 3.2 cpe:2.3:a:atrium_software:mercur_mailserver:3.2:*:*:*:*:*:*:*
atrium_software mercur_pop3_server 3.20.01 cpe:2.3:a:atrium_software:mercur_pop3_server:3.20.01:*:*:*:*:*:*:*

References for CVE-2000-0198

cvelogic Threat Intelligence