Security readout for executives and security teams
This issue affects older F5 BIG-IP releases. Under sustained requests, BIG-IP's TMM DNS Cache may keep resolving a domain even after the authoritative parent server revoked the record. Business impact is stale DNS behavior: traffic may continue reaching an endpoint that operators intended to remove or block. Exposure is limited to listed BIG-IP versions using the affected DNS Cache behavior in TMM. The bundle does not provide CVSS, affected configuration details, or fixed-release information, so confirm against F5 advisory K48224824. Treat as a targeted operational integrity risk, not a confirmed emergency. Prioritize internet-facing or security-sensitive DNS caching deployments, especially where stale DNS records could keep traffic flowing to retired, blocked, or misdirected infrastructure. Mitigation focus: Inventory BIG-IP systems and compare versions with the affected ranges.; Review F5 advisory K48224824 for official fixes, workarounds, and configuration guidance.; Prioritize remediation for BIG-IP systems providing DNS services or DNS caching..
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-2018-5532 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://support.f5.com/csp/article/K48224824CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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