TI-2020-18342 Aliases CVE-2020-35899 GHSA-whc7-5p35-4ww2

An issue was discovered in the actix-service crate before 1.0.6 for Rust.

LOW 25CWE-416Published 2020-12-31 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-416 and the CVSS impact.

Summary

An issue was discovered in the actix-service crate before 1.0.6 for Rust. The Cell implementation allows obtaining more than one mutable reference to the same data.

Why it matters now

EPSS 0.00379 32nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed actix-service (crates.io): 1.0.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	actix-service (crates.io)	before 1.0.6	1.0.6	Patch available	GHSA-whc7-5p35-4ww2

— Vendor— Affected all versions Fixed in — No fix listed CNA
actix-service (crates.io) Vendor— Affected before 1.0.6 Fixed in 1.0.6 Patch available GHSA-whc7-5p35-4ww2

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:actix:actix-service::::::rust::*	before 1.0.6	Vulnerable	actix

cpe:2.3:a:actix:actix-service:*:*:*:*:*:rust:*:* Versions before 1.0.6 Vulnerable ·actix

Remediation

Fix · GHSA-whc7-5p35-4ww2 actix-service (crates.io) Fixed in 1.0.6 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2020-35899
2026-10-03 Alias added: GHSA-whc7-5p35-4ww2

References

Exploit 1

https://rustsec.org/advisories/RUSTSEC-2020-0046.html

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2020-35899

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences