Is CVE-2021-27919 in the CISA KEV catalog?

No. CVE-2021-27919 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27919?

CVE-2021-27919 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-27919?

CVE-2021-27919 has an EPSS score of 1.52% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27919?

Upgrade Go Programming Language to 1.16.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-27919

MEDIUMEPSS 71th pctl

5.5

CVSS v3

NVD

Description

archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.

How to fix

Remediation Available

Go Programming LanguageWindows application

Affected:1.16.0 1.16.1Fixed in:1.16.1https://go.dev

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.52%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

groups.google.com

Third-Party Advisory1

security.gentoo.org

Other references2

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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.