Is CVE-2021-44420 in the CISA KEV catalog?

No. CVE-2021-44420 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-44420?

CVE-2021-44420 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2021-44420?

CVE-2021-44420 has an EPSS score of 2.30% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-44420?

Upgrade python-django on debian 11 to 2:2.2.25-1~deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-44420

HIGHEPSS 81th pctl

7.3

CVSS v3

NVD

Description

In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.

How to fix

Remediation Available

python-djangoDebian

Fixed in:2:2.2.25-1~deb11u1CVE-2021-44420

Fixed in:2:3.2.10-1CVE-2021-44420

python-djangoUbuntu

Fixed in:2:2.2.12-1ubuntu0.8USN-5178-1

python3-djangoUbuntu

Fixed in:2:2.2.12-1ubuntu0.8USN-5178-1

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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

2.30%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch3

Third-Party Advisory1

security.netapp.com

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.