Is CVE-2021-28031 in the CISA KEV catalog?

No. CVE-2021-28031 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28031?

CVE-2021-28031 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-28031?

CVE-2021-28031 has an EPSS score of 1.36% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28031?

Upgrade scratchpad to 1.3.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-28031

CRITICAL

9.8

CVSS v3

NVD

Description

An issue was discovered in the scratchpad crate before 1.3.1 for Rust. The move_elements function can have a double-free upon a panic in a user-provided f function.

CWE-415

How to fix

Remediation Available

scratchpadNVD

Affected:< 1.3.1Fixed in:1.3.1CVE-2021-28031derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.36%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch1

rustsec.org

Related Vulnerabilities

Other CWE-415 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-25136	Medium	6.5	90%	-	Fix
CVE-2018-0101	Critical	10.0	87%	-	Fix
CVE-2003-0545	Critical	9.8	85%	-	Fix
CVE-2019-3829	Medium	5.3	59%	-	Fix
CVE-2026-33824	Critical	9.8	56%	-	Fix
CVE-2021-3407	Medium	5.5	50%	-	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.