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CVE-2001-0477

20
FAUCET Score

CVE-2001-0477 describes a critical vulnerability in WebCalendar version 0.9.26 that permits remote command execution. This flaw carries a CVSS score of 7.5 (High), indicating that an unauthenticated attacker can exploit it over the network with low complexity to achieve partial confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.8CPE matchmatch criteria
cpe:2.3:a:webcalendar:webcalendar:0.9.8:*:*:*:*:*:*:*
0.9.11CPE matchmatch criteria
cpe:2.3:a:webcalendar:webcalendar:0.9.11:*:*:*:*:*:*:*
0.9.15CPE matchmatch criteria
cpe:2.3:a:webcalendar:webcalendar:0.9.15:*:*:*:*:*:*:*
0.9.16CPE matchmatch criteria
cpe:2.3:a:webcalendar:webcalendar:0.9.16:*:*:*:*:*:*:*
0.9.19CPE matchmatch criteria
cpe:2.3:a:webcalendar:webcalendar:0.9.19:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.04%
Probability of exploitation in next 30 days
EPSS Percentile
89.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0404 is in the 82nd percentile among its peer group of 51,455 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2001-04/0392.html
PatchVendor Advisory
securityfocus.com / bid/2639
Vendor Advisory