Security readout for executives and security teams
This issue describes a DNS server configured to allow zone transfers to anyone who asks. A zone transfer hands over the full list of hostnames, IP addresses, and other DNS records for a domain. That data helps attackers map internal systems, plan phishing, and pick targets. It is a misconfiguration disclosure risk rather than a code flaw, and it typically leaks reconnaissance data rather than granting direct access. Any Internet-facing authoritative DNS server (BIND, Microsoft DNS, PowerDNS, NSD, or appliance-based) that does not restrict AXFR/IXFR to authorized secondaries. Split-horizon DNS or self-hosted authoritative zones raise exposure. Fully managed cloud DNS providers typically do not permit anonymous zone transfers. Low urgency but worth a hygiene check. Exposed zone transfers do not breach systems on their own, yet they hand adversaries a free map of the environment. Treat as a routine configuration review across authoritative DNS. Mitigation focus: Restrict AXFR and IXFR to explicit secondary name server IP addresses on all authoritative zones.; Require TSIG keys for zone transfers between primary and secondary DNS servers.; Block inbound TCP/53 from the public Internet except to designated secondaries..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-1999-0532 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cve.org/CVERecord?id=CVE-1999-0532CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
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