CVE-2020-35858
CVE-2020-35858 is a critical-severity vulnerability in Prost Project Prost with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Prost Project Prost
- Published:
- Last modified:
Description
An issue was discovered in the prost crate before 0.6.1 for Rust. There is stack consumption via a crafted message, causing a denial of service (e.g., x86) or possibly remote code execution (e.g., ARM).
Frequently asked questions
- What is CVE-2020-35858?
- An issue was discovered in the prost crate before 0.6.1 for Rust. There is stack consumption via a crafted message, causing a denial of service (e.g., x86) or possibly remote code execution (e.g., ARM).
- How severe is CVE-2020-35858?
- CVE-2020-35858 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-35858 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35858?
- CVE-2020-35858 affects Prost Project Prost. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-35858?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-35858 published?
- CVE-2020-35858 was published on 2020-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:prost_project:prost:*:*:*:*:*:rust:*:*
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- CVE-2021-38192 — High (CVSS 7.5): An issue was discovered in the prost-types crate before 0.8.0 for Rust. An overflow can occur during conversion from…
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