Is CVE-2021-39293 in the CISA KEV catalog?

No. CVE-2021-39293 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39293?

CVE-2021-39293 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-39293?

CVE-2021-39293 has an EPSS score of 6.93% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39293?

Upgrade golang-1.15 on debian 11 to 1.15.15-1~deb11u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-39293

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

In archive/zip in Go before 1.16.8 and 1.17.x before 1.17.1, a crafted archive header (falsely designating that many files are present) can cause a NewReader or OpenReader panic. NOTE: this issue exists because of an incomplete fix for CVE-2021-33196.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

golang-1.15Debian

Fixed in:1.15.15-1~deb11u1CVE-2021-39293

Go Programming LanguageWindows application

Affected:1.17.0 1.17.1Fixed in:1.17.1https://go.dev

Affected:1.16.8Fixed in:1.16.8https://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

6.93%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory2

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.