Is CVE-2021-28791 in the CISA KEV catalog?

No. CVE-2021-28791 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28791?

CVE-2021-28791 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-28791?

CVE-2021-28791 has an EPSS score of 1.62% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28791?

Upgrade swiftformat to 1.3.7 or later.

CVE & CISA-KEV Catalog

CVE-2021-28791

HIGHEPSS 73th pctl

7.8

CVSS v3

NVD

Description

The unofficial SwiftFormat extension before 1.3.7 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted swiftformat.path configuration value that triggers execution upon opening the workspace.

CWE-863Incorrect Authorization

How to fix

Remediation Available

swiftformatNVD

Affected:< 1.3.7Fixed in:1.3.7CVE-2021-28791derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.62%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	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.