CVE-2020-35901
CVE-2020-35901 is a high-severity vulnerability in Actix Actix-http 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-416.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Actix Actix-http
- Published:
- Last modified:
Description
An issue was discovered in the actix-http crate before 2.0.0-alpha.1 for Rust. There is a use-after-free in BodyStream.
Frequently asked questions
- What is CVE-2020-35901?
- An issue was discovered in the actix-http crate before 2.0.0-alpha.1 for Rust. There is a use-after-free in BodyStream.
- How severe is CVE-2020-35901?
- CVE-2020-35901 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-2020-35901 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35901?
- CVE-2020-35901 affects Actix Actix-http. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-35901?
- 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-2020-35901 published?
- CVE-2020-35901 was published on 2020-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:actix:actix-http:*:*:*:*:*:rust:*:*
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