CVE-2001-0834

CVE-2001-0834 is a medium-severity vulnerability in Htdig with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2001-0834?
CVE-2001-0834 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2001-0834 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0834?
CVE-2001-0834 primarily affects Htdig. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0834?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0834 published?
CVE-2001-0834 was published on 2001-12-06 and last updated on 2026-06-16.

References

Affected products (12)

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