Is CVE-2021-33194 in the CISA KEV catalog?

No. CVE-2021-33194 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33194?

CVE-2021-33194 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-33194?

CVE-2021-33194 has an EPSS score of 7.49% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33194?

Upgrade golang-golang-x-net on debian 11 to 1:0.0+git20210119.5f4716e+dfsg-4 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2021-33194

HIGHEPSS 94th pctl

7.5

CVSS v3

NVD

Description

golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.

CWE-835

How to fix

Remediation Available

golang-golang-x-netDebian

Fixed in:1:0.0+git20210119.5f4716e+dfsg-4CVE-2021-33194

adsysUbuntu

Fixed in:0.9.2~20.04.2ubuntu0.1+esm1USN-8089-3

adsys-windowsUbuntu

Fixed in:0.9.2~20.04.2ubuntu0.1+esm1USN-8089-3

golang-github-lxc-lxd-devUbuntu

Fixed in:2.0.11-0ubuntu1~16.04.4+esm2USN-8089-3

golang-go.net-devUbuntu

Fixed in:1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2USN-8089-2

Fixed in:1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2USN-8089-2

Fixed in:1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2USN-8089-2

golang-golang-x-net-devUbuntu

Fixed in:1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2USN-8089-2

Fixed in:1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2USN-8089-2

Fixed in:1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2USN-8089-2

jujuUbuntu

Fixed in:2.3.7-0ubuntu0.16.04.1+esm2USN-8089-3

juju-2.0Ubuntu

Fixed in:2.3.7-0ubuntu0.16.04.1+esm2USN-8089-3

juju-coreUbuntu

Fixed in:2.3.7-0ubuntu0.16.04.1+esm2USN-8089-3

lxc2Ubuntu

Fixed in:2.0.11-0ubuntu1~16.04.4+esm2USN-8089-3

lxdUbuntu

Fixed in:2.0.11-0ubuntu1~16.04.4+esm2USN-8089-3

Fixed in:3.0.3-0ubuntu1~18.04.2+esm2USN-8089-3

lxd-clientUbuntu

Fixed in:2.0.11-0ubuntu1~16.04.4+esm2USN-8089-3

Fixed in:3.0.3-0ubuntu1~18.04.2+esm2USN-8089-3

lxd-toolsUbuntu

Fixed in:2.0.11-0ubuntu1~16.04.4+esm2USN-8089-3

Fixed in:3.0.3-0ubuntu1~18.04.2+esm2USN-8089-3

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

7.49%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

groups.google.com

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.