CVE-2021-28036
CVE-2021-28036 is a high-severity vulnerability in Quinn Project Quinn with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Quinn Project Quinn
- Published:
- Last modified:
Description
An issue was discovered in the quinn crate before 0.7.0 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.
Frequently asked questions
- What is CVE-2021-28036?
- An issue was discovered in the quinn crate before 0.7.0 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.
- How severe is CVE-2021-28036?
- CVE-2021-28036 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-28036 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-28036?
- CVE-2021-28036 affects Quinn Project Quinn. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-28036?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-28036 published?
- CVE-2021-28036 was published on 2021-03-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:quinn_project:quinn:*:*:*:*:*:rust:*:*
More vulnerabilities in Quinn Project Quinn
- CVE-2024-45311 — High (CVSS 7.5): Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. As of quinn-proto 0.11, it…
- CVE-2023-42805 — High (CVSS 7.5): quinn-proto is a state machine for the QUIC transport protocol. Prior to versions 0.9.5 and 0.10.5, receiving unknown…
All CVEs affecting Quinn Project Quinn →
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