{"cve":"CVE-2021-45711","nvd":{"published":"2021-12-27T00:15:10.097","modified":"2026-06-17T04:13:59.860","status":"Modified","description":"An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. There is a panic if UTCTime data, supplied by a remote attacker, has a second character greater than 0x7f.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/simple_asn1/RUSTSEC-2021-0125.md","https://rustsec.org/advisories/RUSTSEC-2021-0125.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/simple_asn1/RUSTSEC-2021-0125.md","https://rustsec.org/advisories/RUSTSEC-2021-0125.html"],"products":["simple_asn1_project:simple_asn1"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45711","score":0.01384,"percentile":0.72205,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3m6f-3gfg-4x56","url":"https://osv.dev/vulnerability/GHSA-3m6f-3gfg-4x56","summary":"Panic on incorrect date input to `simple_asn1`","modified":"2023-11-08T04:07:23.302312Z","packages":[{"ecosystem":"crates.io","name":"simple_asn1","purl":"pkg:cargo/simple_asn1","ranges":[">=0.6.0 <0.6.1"],"fixed":["0.6.1"]}]},{"id":"GHSA-g4h2-4wvh-grc5","url":"https://osv.dev/vulnerability/GHSA-g4h2-4wvh-grc5","summary":"Uncontrolled Resource Consumption in simple_asn1","modified":"2023-11-08T04:07:23.302312Z","packages":[{"ecosystem":"crates.io","name":"simple_asn1","purl":"pkg:cargo/simple_asn1","ranges":[">=0.6.0 <0.6.1"],"fixed":["0.6.1"]}]},{"id":"RUSTSEC-2021-0125","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0125","summary":"Panic on incorrect date input to `simple_asn1`","modified":"2023-11-08T04:07:23.302312Z","packages":[{"ecosystem":"crates.io","name":"simple_asn1","purl":"pkg:cargo/simple_asn1","ranges":[">=0.6.0 <0.6.1"],"fixed":["0.6.1"]}]}],"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."]}