CVE-2024-3955

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.1%, top 37% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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).

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
63.3%
KEV
Not listed

Published

May 2, 2024

Last Modified

April 15, 2026

Advisory Details (3)

Auto-updated May 5, 2026
No patch confirmed yet.
generic

Code injection vulnerability on /system/log endpoint · Issue #132 · PiBrewing/craftbeerpi4 · GitHub

https://github.com/PiBrewing/craftbeerpi4/issues/132
generic

Podatność w oprogramowaniu CraftBeerPi 4 | CERT Polska

https://cert.pl/posts/2024/05/CVE-2024-3955/
generic

Vulnerability in CraftBeerPi 4 software | CERT Polska

https://cert.pl/en/posts/2024/05/CVE-2024-3955/

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
cbpi44.0.5 ... 4.4.0 (30 versions)4.4.1.a1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 111 total refreshes for this CVE.

  1. 2026-07-23 14:17 UTCEPSS rescore
  2. 2026-07-23 02:38 UTCEG score recompute
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-3955?
CVE-2024-3955 is a critical vulnerability published on May 2, 2024. URL GET parameter "logtime" utilized within the "downloadlog" function from "cbpi/httpendpoints/httpsystem.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:…
When was CVE-2024-3955 disclosed?
CVE-2024-3955 was first published in the National Vulnerability Database on May 2, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-3955 actively exploited?
CVE-2024-3955 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-3955?
CVE-2024-3955 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2024-3955?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-3955, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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