CVE-2021-45452: djangoproject django
Vulnerability summary
CVE-2021-45452 is a medium (CVSS 5.3) vulnerability in djangoproject django. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85.2% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 11Timeline
- 04-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Storage.save in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1 allows directory traversal if crafted filenames are directly passed to it.
CVSS metrics
7 scores · 5 sources · 3 versions- OSV · PypiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · AlpineEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
2.59%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
Increase +0.18 pp
From 2.41% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- py3-django< 3.2.12-r0
Debian1 product
- python-django< 2:3.2.11-1
Djangoproject1 product
- django≥ 2.2, < 2.2.26 | ≥ 3.2, < 3.2.11 | ≥ 4.0, < 4.0.1
Fedoraproject1 product
- fedoraEOL35
PyPI1 product
- django≥ 2.2, < 2.2.26 | ≥ 3.2, < 3.2.11 | ≥ 4.0, < 4.0.1
Ubuntu1 product
- python-djangoAll versions (No fix recorded) | < 1:1.11.11-1ubuntu1.15 | < 2:2.2.12-1ubuntu0.9
6 vendors · 6 products
References
22 links- groups.google.com/forum/X Refsource MISC
- www.djangoproject.com/weblog/2022/jan/04/security-releases/X Refsource CONFIRMARTICLEPatchVendor Advisory
Show all 22 references
- github.com/django/djangoPACKAGE
