{"id":"CVE-2021-34581","state":"PUBLISHED","title":"WAGO: Denial of Service vulnerability inside the OpenSSL implementation","description":"Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.","publishedAt":"2021-08-31T10:33:02.999Z","updatedAt":"2024-09-17T00:42:35.318Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CERTVDE"},"assigner":"CERTVDE","products":["WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889"],"affected":[{"vendor":"WAGO","product":"750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889","versions":[{"version":"FW4","status":"affected","lessThan":"All*","versionType":"custom"}]}],"references":["https://cert.vde.com/en-us/advisories/vde-2021-038"],"weaknesses":["CWE-772"],"ingestedAt":"2026-10-29T19:48:38.863Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/34xxx/CVE-2021-34581.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-34581","state":"PUBLISHED","datePublished":"2021-08-31T10:33:02.999Z","dateUpdated":"2024-09-17T00:42:35.318Z","assignerShortName":"CERTVDE","assignerOrgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","dateReserved":"2021-06-10T00:00:00.000Z"},"containers":{"cna":{"title":"WAGO: Denial of Service vulnerability inside the OpenSSL implementation","descriptions":[{"lang":"en","value":"Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device."}],"affected":[{"vendor":"WAGO","product":"750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889","versions":[{"version":"FW4","status":"affected","lessThan":"All*","versionType":"custom"}]}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-038","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-772","description":"CWE-772 Missing Release of Resource after Effective Lifetime","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERTVDE","dateUpdated":"2021-08-31T10:33:02.000Z","orgId":"270ccfa6-a436-4e77-922e-914ec3a9685c"},"credits":[{"lang":"en","value":"These vulnerabilities were reported to WAGO by: Uwe Disch. 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