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CVE-2020-15225

18
FAUCET Score

CVE-2020-15225 describes a Denial of Service (DoS) vulnerability in django-filter versions prior to 2.4.0, affecting automatically generated NumberFilter instances. Attackers can exploit this by inputting maliciously crafted exponential numbers, leading to resource exhaustion. Rated as MEDIUM severity (CVSS 6.5), it has a network attack vector and low attack complexity, with a high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.0CPE matchmatch criteria
cpe:2.3:a:django-filter_project:django-filter:*:*:*:*:*:*:*:*
34CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 89th percentile among its peer group of 21,951 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: django-filterFixed in: 2.4.0
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: python-django-filter

Vendor Advisories (2)

redhatCVE-2020-15225Low

python-django-filter: Maliciously input using exponential format may cause denial of service

Apr 29, 2021
pipGHSA-x7gm-rfgv-w973high

Potential DoS with NumberFilter conversion to integer values.

Sep 28, 2020

References

github.com / carltongibson/django-filter/commit/340cf7a23a2b3dcd7183f6a0d6c383e85b130d2b
PatchThird Party Advisory
github.com / carltongibson/django-filter/releases/tag/2.4.0
Release NotesThird Party Advisory
github.com / carltongibson/django-filter/security/advisories/GHSA-x7gm-rfgv-w973
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DPHENTRHRAYFXYPPBT7JRHZRWILRY44S
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FAT2ZAEF6DM3VFSOHKB7X3ASSHGQHJAK
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/SVJ7AYU6FUSU3F653YCGW5LFD3IULRSX
pypi.org / project/django-filter
ProductThird Party Advisory
security.netapp.com / advisory/ntap-20210604-0010
Third Party Advisory