CVE-2001-0834

htsearch CGI program in htdig (ht://Dig) 3.1.5 and earlier allows remote attackers to use the -c option to specify an alternate configuration file, which could be used to (1) cause a denial of service (CPU consumption) by specifying a large file such as /dev/zero, or (2) read arbitrary files by uploading an alternate configuration file that specifies the target file.

Published: 2001-12-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0834 is rated Moderate Risk (55/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.63%). Mandatory action: 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-2001-0834

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 2026-06-15 2.51% 2.63% +0.12%
2 2025-03-30 2.34% 2.51% +0.17%
3 2025-03-29 2.34%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0834

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/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:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2001-0834

OS Trackers for CVE-2001-0834

vendor priority summary link
redhat https://access.redhat.com/security/cve/CVE-2001-0834

Affected software / configurations for CVE-2001-0834

Vendor Product Version Raw CPE
htdig htdig <= 3.1.5 cpe:2.3:a:htdig:htdig:*:*:*:*:*:*:*:*
conectiva linux 5.0 cpe:2.3:o:conectiva:linux:5.0:*:*:*:*:*:*:*
conectiva linux 5.1 cpe:2.3:o:conectiva:linux:5.1:*:*:*:*:*:*:*
conectiva linux 6.0 cpe:2.3:o:conectiva:linux:6.0:*:*:*:*:*:*:*
conectiva linux 7.0 cpe:2.3:o:conectiva:linux:7.0:*:*:*:*:*:*:*
debian debian_linux 2.2 cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
suse suse_linux 6.3 cpe:2.3:o:suse:suse_linux:6.3:*:*:*:*:*:*:*
suse suse_linux 6.4 cpe:2.3:o:suse:suse_linux:6.4:*:*:*:*:*:*:*
suse suse_linux 7.0 cpe:2.3:o:suse:suse_linux:7.0:*:*:*:*:*:*:*
suse suse_linux 7.1 cpe:2.3:o:suse:suse_linux:7.1:*:*:*:*:*:*:*
suse suse_linux 7.2 cpe:2.3:o:suse:suse_linux:7.2:*:*:*:*:*:*:*
suse suse_linux 7.3 cpe:2.3:o:suse:suse_linux:7.3:*:*:*:*:*:*:*

References for CVE-2001-0834

cvelogic Threat Intelligence