CVE-2023-33185
Incorrect signature verification in django-ses
LOW 2.1EPSS 0.2%
Django-SES is a drop-in mail backend for Django. The django_ses library implements a mail backend for Django using AWS Simple Email Service. The library exports the `SESEventWebhookView class` intended to receive signed requests from AWS to handle email bounces, subscriptions, etc. These requests are signed by AWS and are verified by django_ses, however the verification of this signature was found to be flawed as it allowed users to specify arbitrary public certificates. This issue was patched in version 3.5.0.
- Affected
- django-ses
- CVSS v4.0 GitHub
- 2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - CVSS v3.1 NVD
- 5.4 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS v3.1 GITHUB
- 4.6 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L - EPSS
- 0.23% chance of exploitation in the next 30 days, 13th percentile
- Published
- 2023-05-26
- Updated
- 2025-01-14
Proof-of-concept exploits (1)
- django-ses/django-ses/blob/3d627067935876487f9938310d5e1fbb249a7778/CVE/001-cert-url-sign…1091★ · 2026-10-13