Is CVE-2021-41771 in the CISA KEV catalog?

No. CVE-2021-41771 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41771?

CVE-2021-41771 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-41771?

CVE-2021-41771 has an EPSS score of 4.37% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41771?

Upgrade golang-1.15 on debian 11 to 1.15.15-1~deb11u2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-41771

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

ImportedSymbols in debug/macho (for Open or OpenFat) in Go before 1.16.10 and 1.17.x before 1.17.3 Accesses a Memory Location After the End of a Buffer, aka an out-of-bounds slice situation.

CWE-119Buffer Overflow

How to fix

Remediation Available

golang-1.15Debian

Fixed in:1.15.15-1~deb11u2CVE-2021-41771

Go Programming LanguageWindows application

Affected:1.16.10Fixed in:1.16.10https://go.dev

Affected:1.17.0 1.17.3Fixed in:1.17.3https://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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.37%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

groups.google.com

Third-Party Advisory5

Other references4

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.