CVE-2004-1558

Exp

Multiple stack-based buffer overflows in YPOPs! (aka YahooPOPS) 0.4 through 0.6 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long (1) POP3 USER command or (2) SMTP request.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1558 is rated High Exploit Risk (81.6/100): CVSS High severity, with high exploitation likelihood (EPSS 86.30%, 99th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.81% 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-2004-1558

EDB-ID Source Kind Published Link
16818 exploit_db edb 2010-05-09 Exploit-DB ↗
582 exploit_db edb 2004-10-18 Exploit-DB ↗
577 exploit_db edb 2004-10-15 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1558

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 2025-04-15 84.48% 86.30% +1.81%
2 2025-03-19 83.82% 84.48% +0.66%
3 2025-03-17 — 83.82% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1558

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2004-1558

Affected software / configurations for CVE-2004-1558

Vendor Product Version Raw CPE
ypops ypops 0.4 cpe:2.3:a:ypops:ypops:0.4:*:*:*:*:*:*:*
ypops ypops 0.4.1 cpe:2.3:a:ypops:ypops:0.4.1:*:*:*:*:*:*:*
ypops ypops 0.4.2 cpe:2.3:a:ypops:ypops:0.4.2:*:*:*:*:*:*:*
ypops ypops 0.4.3 cpe:2.3:a:ypops:ypops:0.4.3:*:*:*:*:*:*:*
ypops ypops 0.4.4 cpe:2.3:a:ypops:ypops:0.4.4:*:*:*:*:*:*:*
ypops ypops 0.4.5 cpe:2.3:a:ypops:ypops:0.4.5:*:*:*:*:*:*:*
ypops ypops 0.4.6 cpe:2.3:a:ypops:ypops:0.4.6:*:*:*:*:*:*:*
ypops ypops 0.5 cpe:2.3:a:ypops:ypops:0.5:*:*:*:*:*:*:*
ypops ypops 0.6 cpe:2.3:a:ypops:ypops:0.6:*:*:*:*:*:*:*

References for CVE-2004-1558

cvelogic Threat Intelligence