Security readout for executives and security teams
CVE-2019-18860 affects Squid versions before 4.9. The issue is in cachemgr.cgi handling of HTML supplied through the host hostname parameter when certain browsers are used. This could affect administrators or users who access the cache manager interface. The bundle does not provide CVSS, CWE, or active exploitation evidence. Exposure is most likely where Squid before 4.9 is installed and cachemgr.cgi is present or reachable. Internet-facing or broadly accessible management CGI paths raise concern. Distribution backports may be patched without showing version 4.9. Treat as a focused management-interface risk, not a confirmed emergency. Prioritize systems running older Squid packages or exposing cachemgr.cgi beyond trusted administrators. Patch through normal vulnerability maintenance unless local exposure is high. Mitigation focus: Apply vendor Squid security updates from Ubuntu, Debian, openSUSE, or your distribution.; Upgrade to Squid 4.9 or a vendor-backported fixed package where applicable.; Review upstream Squid PRs 504 and 505 for fix provenance..
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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ATT&CK lookup starting points
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CVE-2019-18860 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
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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://github.com/squid-cache/squid/pull/504CVE reference · x_refsource_CONFIRM
- https://github.com/squid-cache/squid/pull/505CVE reference · x_refsource_MISC
- USN-4356-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4732CVE reference · vendor-advisory, x_refsource_DEBIAN
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.