CVE-2024-3955
Arbitrary code execution in CraftBeerPi 4
- Published
- Updated
- Reserved
- Assigned by
- CERT-PL
Description
URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/http_endpoints/http_system.py" is subsequently passed to the "os.system" function in "cbpi/controller/system_controller.py" without prior validation allowing to execute arbitrary code.This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).
Timeline
ID reserved
By CERT-PL
- 14 days later
· 14 days later
Published
- 3 months later
· 3 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected 4.0.0.58 (commit 563fae9) – < 4.4.1.a1 (commit 57572c7)
CraftBeerPi - Brewing Controller · CraftBeerPi 4
- affected 4.0.0.58 (commit 563fae9) – ≤ *
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References (3)
- https://cert.pl/en/posts/2024/05/CVE-2024-3955/ (opens in a new tab)third-party-advisoryx_transferred
- https://cert.pl/posts/2024/05/CVE-2024-3955/ (opens in a new tab)third-party-advisoryx_transferred
- https://github.com/PiBrewing/craftbeerpi4/issues/132 (opens in a new tab)issue-trackingx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4f92-w438-f484 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-3955)Record last updated .