Is CVE-2020-35899 in the CISA KEV catalog?

No. CVE-2020-35899 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-35899?

CVE-2020-35899 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-35899?

CVE-2020-35899 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-35899?

Upgrade actix-service to 1.0.6 or later.

CVE & CISA-KEV Catalog

CVE-2020-35899

MEDIUM

5.5

CVSS v3

NVD

Description

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.

CWE-416Use After Free

How to fix

Remediation Available

actix-serviceNVD

Affected:< 1.0.6Fixed in:1.0.6CVE-2020-35899derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Exploit1

rustsec.org

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.