CVE-2021-45681
CVE-2021-45681 is a high-severity vulnerability in Derive-com-impl Project Derive-com-impl 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Derive-com-impl Project Derive-com-impl
- Published:
- Last modified:
Description
An issue was discovered in the derive-com-impl crate before 0.1.2 for Rust. An invalid reference (and memory corruption) can occur because AddRef might not be called before returning a pointer.
Frequently asked questions
- What is CVE-2021-45681?
- An issue was discovered in the derive-com-impl crate before 0.1.2 for Rust. An invalid reference (and memory corruption) can occur because AddRef might not be called before returning a pointer.
- How severe is CVE-2021-45681?
- CVE-2021-45681 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 none, integrity none, and availability high.
- Is CVE-2021-45681 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45681?
- CVE-2021-45681 affects Derive-com-impl Project Derive-com-impl. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45681?
- 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-2021-45681 published?
- CVE-2021-45681 was published on 2021-12-27 and last updated on 2026-06-17.
References
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/derive-com-impl/RUSTSEC-2021-0083.md
- https://rustsec.org/advisories/RUSTSEC-2021-0083.html
Affected products (1)
- cpe:2.3:a:derive-com-impl_project:derive-com-impl:*:*:*:*:*:rust:*:*
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