CVE-2001-0099

Exp

bsguest.cgi guestbook script allows remote attackers to execute arbitrary commands via shell metacharacters in the email address.

Published: 2001-02-12 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0099 is rated High Exploit Risk (91.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 18.80%, 95th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.97% over the last day, indicating growing attacker interest. Mandatory action: 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-2001-0099

EDB-ID Source Kind Published Link
20524 exploit_db edb 2000-12-20 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0099

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 2025-12-09 15.83% 18.80% +2.97%
2 2025-08-15 15.43% 15.83% +0.40%
3 2025-03-30 15.43%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0099

CVSS metrics for this CVE.

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

Weakness enumeration for CVE-2001-0099

Affected software / configurations for CVE-2001-0099

Vendor Product Version Raw CPE
brian_stanback bsguest.cgi cpe:2.3:a:brian_stanback:bsguest.cgi:*:*:*:*:*:*:*:*

References for CVE-2001-0099

cvelogic Threat Intelligence