CVE-2020-35861
CVE-2020-35861 is a high-severity vulnerability in Bumpalo Project Bumpalo 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-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Bumpalo Project Bumpalo
- Published:
- Last modified:
Description
An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.
Frequently asked questions
- What is CVE-2020-35861?
- An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.
- How severe is CVE-2020-35861?
- CVE-2020-35861 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-2020-35861 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35861?
- CVE-2020-35861 affects Bumpalo Project Bumpalo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-35861?
- 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-2020-35861 published?
- CVE-2020-35861 was published on 2020-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bumpalo_project:bumpalo:*:*:*:*:*:rust:*:*
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