CVE-2001-0477

Vulnerability in WebCalendar 0.9.26 allows remote command execution.

Published: 2001-06-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0477 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.79%). Review affected assets and schedule remediation.

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-2001-0477

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 2025-10-06 2.41% 1.79% -0.62%
2 2025-09-13 1.95% 2.41% +0.46%
3 2025-03-30 — 1.95% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0477

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-2001-0477

Affected software / configurations for CVE-2001-0477

Vendor Product Version Raw CPE
webcalendar webcalendar 0.9.8 cpe:2.3:a:webcalendar:webcalendar:0.9.8:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.11 cpe:2.3:a:webcalendar:webcalendar:0.9.11:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.15 cpe:2.3:a:webcalendar:webcalendar:0.9.15:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.16 cpe:2.3:a:webcalendar:webcalendar:0.9.16:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.19 cpe:2.3:a:webcalendar:webcalendar:0.9.19:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.20 cpe:2.3:a:webcalendar:webcalendar:0.9.20:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.21 cpe:2.3:a:webcalendar:webcalendar:0.9.21:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.22 cpe:2.3:a:webcalendar:webcalendar:0.9.22:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.23 cpe:2.3:a:webcalendar:webcalendar:0.9.23:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.24 cpe:2.3:a:webcalendar:webcalendar:0.9.24:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.25 cpe:2.3:a:webcalendar:webcalendar:0.9.25:*:*:*:*:*:*:*
webcalendar webcalendar 0.9.26 cpe:2.3:a:webcalendar:webcalendar:0.9.26:*:*:*:*:*:*:*

References for CVE-2001-0477

cvelogic Threat Intelligence