VULNERABILITY INTELLIGENCE

CVE-2001-0497

CVSS score7.8 HIGH

EPSS probability0.43%

CISA KEVNot currently listed

Published2001-07-21

Last modified2026-06-16

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic DNS updates.

Weakness classification

CWE-276: Incorrect Default Permissions

Primary references

cve@mitre.org — Broken Link
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry