CVE-2023-44463 json
pretix potential IP address spoofing vulnerability
published 2023-10-02 3 y ago modified 2026-06-17 4 mo ago also GHSA-j9gq-w73w-9h6c , PYSEC-2023-187 , EUVD-2023-0207
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
An issue was discovered in pretix before 2023.7.1. Incorrect parsing of configuration files causes the application to trust unchecked X-Forwarded-For headers even though it has not been configured to do so. This can lead to IP address spoofing by users of the application.
Patch / fix
- pypi pretix 2023.7.1
- rami pretix 2023.7.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pretix | <2023.7.1 |
2023.7.1 |
Classification
- Weakness
-
- CWE-290 Authentication Bypass by Spoofing
References
-
github.com
/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
web, patch
-
github.com
/pretix/pretix/compare/v2023.7.0...v2023.7.1
web, patch
-
pretix.eu
/about/en/ticketing
web, product
-
github.com
/pretix/pretix/tags
web, release-notes
-
pretix.eu
/about/en/blog/20230911-release-2023-7-1/
release-notes, article
-
nvd.nist.gov
/vuln/detail/CVE-2023-44463
advisory
-
github.com
/pretix/pretix
web
-
github.com
/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
web
-
pretix.eu
/about/en/blog/20230911-release-2023-7-1
web
-
github.com
/advisories/GHSA-j9gq-w73w-9h6c
advisory
Sources
- CVE List CVE-2023-44463
- GitHub Advisory GHSA-j9gq-w73w-9h6c
- NVD CVE-2023-44463
- OSV PYSEC-2023-187
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.