Security readout for executives and security teams
CVE-2011-4873 is a denial-of-service issue in Certec EDV atvise server versions before 2.1. A remote attacker could send crafted requests to TCP port 4840 and crash the daemon, interrupting service availability. The provided sources do not include CVSS scoring or confirmed active exploitation. Exposure is most likely where legacy Certec EDV atvise server versions before 2.1 are still deployed and reachable on TCP port 4840. Internet exposure would increase urgency, but the provided sources do not document prevalence or current scanning activity. Prioritize if atvise supports operational monitoring or control workflows, especially where TCP/4840 is reachable beyond a trusted OT segment. The known impact is availability loss, not data theft, but daemon crashes can disrupt industrial visibility or operations. Mitigation focus: Identify any Certec EDV atvise deployments and confirm server version.; Upgrade atvise servers before 2.1 according to vendor guidance.; Restrict TCP port 4840 to trusted management or OT network paths..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2011-4873 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
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Source materials
- CVE List V5 sourceCVE List V5
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