{"id":"CVE-2020-27274","state":"PUBLISHED","title":"Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service","description":"Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233).","publishedAt":"2021-01-26T19:03:18.000Z","updatedAt":"2024-08-04T16:11:36.611Z","severity":null,"assigner":"icscert","products":["n/a OPC UA Tunneller"],"affected":[{"vendor":"n/a","product":"OPC UA Tunneller","versions":[{"version":"All versions prior to 6.3.0.8233","status":"affected"}]}],"references":["https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T19:47:11.046Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/27xxx/CVE-2020-27274.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-27274","state":"PUBLISHED","datePublished":"2021-01-26T19:03:18.000Z","dateUpdated":"2024-08-04T16:11:36.611Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2020-10-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}],"affected":[{"vendor":"n/a","product":"OPC UA Tunneller","versions":[{"version":"All versions prior to 6.3.0.8233","status":"affected"}]}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","description":"IMPROPER CHECK FOR UNUSUAL OR EXCEPTIONAL CONDITIONS CWE-754","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","dateUpdated":"2021-01-26T19:03:18.000Z","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","ID":"CVE-2020-27274","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"OPC UA Tunneller","version":{"version_data":[{"version_value":"All versions prior to 6.3.0.8233"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Some parsing functions in the affected product do not check the return value of malloc and the thread handling the message is forced to close, which may lead to a denial-of-service condition on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"IMPROPER CHECK FOR UNUSUAL OR EXCEPTIONAL CONDITIONS CWE-754"}]}]},"references":{"reference_data":[{"name":"https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03","refsource":"MISC","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:11:36.611Z"}}]}}}