CVE-2000-0320

Exp

Qpopper 2.53 and 3.0 does not properly identify the \n string which identifies the end of message text, which allows a remote attacker to cause a denial of service or corrupt mailboxes via a message line that is 1023 characters long and ends in \n.

Published: 2000-04-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0320 is rated Exploit Available (57.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.17%). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2000-0320

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-0320

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 0.69% 1.17% +0.48%
2 2025-03-17 0.28% 0.69% +0.41%
3 2024-02-08 — 0.28% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0320

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-2000-0320

Affected software / configurations for CVE-2000-0320

Vendor Product Version Raw CPE
qualcomm qpopper 2.53 cpe:2.3:a:qualcomm:qpopper:2.53:*:*:*:*:*:*:*
qualcomm qpopper 3.0 cpe:2.3:a:qualcomm:qpopper:3.0:*:*:*:*:*:*:*
sun cobalt_raq_2 — cpe:2.3:h:sun:cobalt_raq_2:*:*:*:*:*:*:*:*
sun cobalt_raq_3i — cpe:2.3:h:sun:cobalt_raq_3i:*:*:*:*:*:*:*:*

References for CVE-2000-0320

cvelogic Threat Intelligence