Security readout for executives and security teams
This old Squid proxy issue could let a remote user bypass web filtering and reach websites the proxy intended to block when Internet Explorer handled specially formed URLs. The business risk is unauthorized web access through legacy proxy infrastructure, not confirmed system takeover. Exposure is most likely in organizations still running Squid Web Proxy Cache 2.3.STABLE5 for outbound web filtering, especially where legacy Internet Explorer clients may still exist. Modern environments are less likely exposed unless old proxy stacks remain. Prioritize if legacy Squid proxies still enforce web access policy. For most modern environments, this is a legacy exposure review rather than an emergency response item, because active exploitation is not evidenced in the supplied sources. Mitigation focus: Inventory proxy servers for Squid Web Proxy Cache 2.3.STABLE5.; Check Squid vendor or distribution guidance for supported upgrade paths.; Retire or isolate legacy Squid instances if no supported fix exists..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2004-2480 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- squid-url-bypass-security(16153)CVE reference · vdb-entry, x_refsource_XF
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.