What’s Vulnerable › Vulnerabilities

CVE-2021-45711

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-27 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Simple Asn1 Project Simple Asn1: 0.6.0

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

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