Security readout for executives and security teams
IBM WebSphere Portal had a response-splitting flaw that could let a logged-in attacker inject HTTP headers when home substitution was enabled. This could undermine browser or proxy behavior, but the bundle does not show unauthenticated exploitation, public exploitation, or KEV listing. Exposure is likely limited to organizations still running old IBM WebSphere Portal versions with uri.home.substitution enabled and reachable authenticated access. Internet-facing portals raise urgency, but the sources do not quantify prevalence. Treat as a targeted remediation item for legacy WebSphere Portal. Prioritize internet-facing or partner-facing portals, especially where authenticated external users exist. It is not KEV-listed in the provided bundle. Mitigation focus: Identify WebSphere Portal instances in the affected version ranges.; Apply IBM fixed maintenance levels using the PM85071 and IBM advisory guidance.; Verify whether uri.home.substitution is enabled and evaluate disabling it with IBM guidance..
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-2013-2950 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
- was-portal-cve20132950-response-splitting(83618)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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