CVE-2021-31919
HIGHCVSS 7.5/10EPSS 1.08%
Last modified
CVE-2021-31919 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in the rkyv crate before 0.6.0 for Rust. When an archive is created via serialization, the archive content may contain uninitialized values of certain parts of a struct.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.
Description
An issue was discovered in the rkyv crate before 0.6.0 for Rust. When an archive is created via serialization, the archive content may contain uninitialized values of certain parts of a struct.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rkyv Project | Rkyv | < 0.6.0 |
References
- https://rustsec.org/advisories/RUSTSEC-2021-0054.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0054.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31919?
An issue was discovered in the rkyv crate before 0.6.0 for Rust. When an archive is created via serialization, the archive content may contain uninitialized values of certain parts of a struct.
How severe is CVE-2021-31919?
CVE-2021-31919 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31919?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-31919?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST