{"cve":"CVE-2021-33622","nvd":{"published":"2021-06-15T20:15:14.050","modified":"2026-06-17T03:54:53.047","status":"Modified","description":"Sylabs Singularity 3.5.x and 3.6.x, and SingularityPRO before 3.5-8, has an Incorrect Check of a Function's Return Value.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-754"],"references":["https://medium.com/sylabs","https://support.sylabs.io/support/solutions/articles/42000087130-3-5-8-security-release-cve-2021-33622-","https://medium.com/sylabs","https://support.sylabs.io/support/solutions/articles/42000087130-3-5-8-security-release-cve-2021-33622-"],"products":["sylabs:singularity","sylabs:singularitypro"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-33622","score":0.01258,"percentile":0.69568,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}