Is CVE-2021-31542 in the CISA KEV catalog?

No. CVE-2021-31542 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31542?

CVE-2021-31542 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-31542?

CVE-2021-31542 has an EPSS score of 5.29% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31542?

Upgrade python-django on debian 11 to 2:2.2.21-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2021-31542

HIGHEPSS 92th pctl

7.5

CVSS v3

NVD

Description

In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names.

CWE-22Path Traversal

How to fix

Remediation Available

python-djangoDebian

Fixed in:2:2.2.21-1CVE-2021-31542

python-djangoUbuntu

Fixed in:1.6.11-0ubuntu1.3+esm3USN-4932-2

Fixed in:1.8.7-1ubuntu5.15+esm1USN-4932-2

Fixed in:1:1.11.11-1ubuntu1.13USN-4932-1

Fixed in:2:2.2.12-1ubuntu0.6USN-4932-1

python3-djangoUbuntu

Fixed in:1.8.7-1ubuntu5.15+esm1USN-4932-2

Fixed in:1:1.11.11-1ubuntu1.13USN-4932-1

Fixed in:2:2.2.12-1ubuntu0.6USN-4932-1

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

5.29%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch2

Vendor Advisory1

djangoproject.com

Third-Party Advisory2

Other references6

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	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 2024-11-21.