CVE DATABASE / CVE-2001-0497
CVE-2001-0497
CVSS 7.8 · HIGH
Summary
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.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Isc bind
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References
- http://www.osvdb.org/5609
- http://xforce.iss.net/alerts/advise78.php
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6694
Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.