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CVE-2001-0497

7.8 · HIGH

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…

Published Jul 21, 2001iscCWE-276EPSS 0.43%

Overview

CVE-2001-0497 is a high-severity vulnerability affecting isc bind. It was published on July 21, 2001 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
iscbind0Affected

References

Refwww.osvdb.org/5609Refxforce.iss.net/alerts/advise78.phpRefexchange.xforce.ibmcloud.com/vulnerabilities/6694Refwww.osvdb.org/5609Refxforce.iss.net/alerts/advise78.phpRefexchange.xforce.ibmcloud.com/vulnerabilities/6694

How CyberStrike helps

Frequently asked questions

What is CVE-2001-0497?

CVE-2001-0497 is a high-severity vulnerability affecting isc bind. It was published on July 21, 2001 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2001-0497?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2001-0497?

Check the references section for vendor advisories and patches from isc. Update bind to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2001-0497?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-0497 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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