{"id":"CVE-2021-33486","aliases":["EUVD-2021-20189","GHSA-qw37-6chx-mmm4"],"status":"published","title":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before...","description":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00961,"percentile":0.62009,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2021-08-03T15:58:06Z","modified":"2026-06-17T03:54:39Z","products":[{"vendor":"codesys","product":"runtime_toolkit"}],"references":[{"url":"https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=14806\u0026token=637e12e86301b83beac1653bd88da3aa5aa3f51b\u0026download=","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33486"},{"url":"https://github.com/advisories/GHSA-qw37-6chx-mmm4"}],"sources":{"cve":[{"id":"CVE-2021-33486","description":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.","status":"published","published":"2021-08-03T15:58:06Z","modified":"2024-08-03T23:50:42.934Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-20189","description":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.","status":"published","published":"2021-08-03T15:58:06Z","modified":"2024-08-03T23:50:42Z","updated_at":"2026-11-03T03:24:34.304953Z"}],"ghsa":[{"id":"GHSA-qw37-6chx-mmm4","title":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before...","description":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.","status":"published","published":"2022-05-24T19:09:51Z","modified":"2023-01-30T05:01:11Z","cwes":["CWE-755"],"updated_at":"2026-11-02T14:46:21.550142Z"}],"nvd":[{"id":"CVE-2021-33486","description":"All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.","status":"published","published":"2021-08-03T16:15:08.617Z","modified":"2026-06-17T03:54:39.58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}