Security readout for executives and security teams
CVE-2002-1563 is an old denial-of-service issue in stunnel 4.0.3 and earlier. A race condition in SIGCHLD handling can crash the service by corrupting the child-process counter. Business impact is service interruption, especially where stunnel protects or bridges important TLS connections. Exposure is most likely in legacy Linux or Unix environments still running stunnel 4.0.3 or earlier. Internet-facing TLS tunneling services, older appliances, and unmaintained distribution packages deserve priority review. Treat this as a legacy-service reliability risk. Prioritize remediation where stunnel is internet-facing, supports critical access paths, or runs on unsupported operating systems. It is not KEV-listed in the supplied data. Mitigation focus: Inventory stunnel deployments and identify versions at or below 4.0.3.; Apply relevant distributor or vendor stunnel updates from supported advisories.; Replace unsupported legacy stunnel packages with maintained versions..
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-2002-1563 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
Products and packages named in the record
CWE details
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