Two potential signed to unsigned conversion errors and buffer overflow vulnerabilities at the following locations in the Zephyr IPM drivers.
Conclusion & alert: CVE-2023-5184 is rated Exploit Available (53.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.39%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.30% | 0.39% | +0.09% |
| 2 | 2026-03-24 | 0.39% | 0.30% | -0.09% |
| 3 | 2026-03-08 | — | 0.39% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.0 | 3.1 | HIGH |
|
1.1 | 5.3 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.0 | 6.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zephyrproject | zephyr | <= 3.4.0 | cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html | Exploit Third Party Advisory |
| http://seclists.org/fulldisclosure/2023/Nov/1 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2023/11/07/1 | Mailing List |
| https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8x3p-q3r5-xh9g | Exploit Vendor Advisory |