Is CVE-2021-45116 in the CISA KEV catalog?

No. CVE-2021-45116 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45116?

CVE-2021-45116 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-45116?

CVE-2021-45116 has an EPSS score of 1.85% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45116?

Upgrade python-django on debian 11 to 2:2.2.26-1~deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-45116

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. Due to leveraging the Django Template Language's variable resolution logic, the dictsort template filter was potentially vulnerable to information disclosure, or an unintended method call, if passed a suitably crafted key.

CWE-20Improper Input Validation

How to fix

Remediation Available

python-djangoDebian

Fixed in:2:2.2.26-1~deb11u1CVE-2021-45116

Fixed in:2:3.2.11-1CVE-2021-45116

python-djangoUbuntu

Fixed in:1:1.11.11-1ubuntu1.15USN-5204-1

Fixed in:2:2.2.12-1ubuntu0.9USN-5204-1

python3-djangoUbuntu

Fixed in:1:1.11.11-1ubuntu1.15USN-5204-1

Fixed in:2:2.2.12-1ubuntu0.9USN-5204-1

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.85%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch2

Third-Party Advisory1

security.netapp.com

Other references2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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 2025-05-22.