Is CVE-2021-31525 in the CISA KEV catalog?

No. CVE-2021-31525 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31525?

CVE-2021-31525 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-31525?

CVE-2021-31525 has an EPSS score of 3.69% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31525?

Upgrade golang-1.15 on debian 11 to 1.15.9-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-31525

MEDIUMEPSS 88th pctl

5.9

CVSS v3

NVD

Description

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

CWE-674

How to fix

Remediation Available

golang-1.15Debian

Fixed in:1.15.9-2CVE-2021-31525

Go Programming LanguageWindows application

Affected:1.16.0 1.16.4Fixed in:1.16.4https://go.dev

Affected:1.15.12Fixed in:1.15.12https://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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.69%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references1

lists.fedoraproject.org

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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.