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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
— | — | https://access.redhat.com/security/cve/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:*:*:*:*:*:*:* |