CVE-2023-5055
CVE-2023-5055 is a high-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.3)
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Zephyrproject Zephyr
- Published:
- Last modified:
Description
Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.
Frequently asked questions
- What is CVE-2023-5055?
- Possible variant of CVE-2021-3434 in function le_ecred_reconf_req.
- How severe is CVE-2023-5055?
- CVE-2023-5055 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
- Is CVE-2023-5055 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-5055?
- CVE-2023-5055 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-5055?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-5055 published?
- CVE-2023-5055 was published on 2023-11-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
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