UpHeron
All vulnerabilities

Servers and applications

CVE-2001-0497

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.

Severity
High 7.8
Published
21 Jul 2001
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 37% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Incorrect default permissions (CWE-276)
Attack
Needs local access · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Every version up to 8.2.4
  • From 9.0 up to 9.1.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2001-0497
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2001-0497