CVE-2001-0453

Directory traversal vulnerability in BRS WebWeaver HTTP server allows remote attackers to read arbitrary files via a .. (dot dot) attack in the (1) syshelp, (2) sysimages, or (3) scripts directories.

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-2001-0453 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.89%). 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-2001-0453

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 2025-03-30 1.00% 0.89% -0.11%
2 2025-03-29 0.92% 1.00% +0.08%
3 2025-03-17 — 0.92% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0453

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:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0453

Affected software / configurations for CVE-2001-0453

Vendor Product Version Raw CPE
brs webweaver 0.49_beta cpe:2.3:a:brs:webweaver:0.49_beta:*:*:*:*:*:*:*
brs webweaver 0.50_beta cpe:2.3:a:brs:webweaver:0.50_beta:*:*:*:*:*:*:*
brs webweaver 0.51_beta cpe:2.3:a:brs:webweaver:0.51_beta:*:*:*:*:*:*:*
brs webweaver 0.52_beta cpe:2.3:a:brs:webweaver:0.52_beta:*:*:*:*:*:*:*
brs webweaver 0.60_beta cpe:2.3:a:brs:webweaver:0.60_beta:*:*:*:*:*:*:*
brs webweaver 0.61_beta cpe:2.3:a:brs:webweaver:0.61_beta:*:*:*:*:*:*:*
brs webweaver 0.62_beta cpe:2.3:a:brs:webweaver:0.62_beta:*:*:*:*:*:*:*

References for CVE-2001-0453

cvelogic Threat Intelligence