CVE-2017-5731
CVE-2017-5731 is a high-severity vulnerability in Tianocore Edk2 with a CVSS 3.x base score of 7.8. 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-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Tianocore Edk2
- Published:
- Last modified:
Description
Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.
Frequently asked questions
- What is CVE-2017-5731?
- Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.
- How severe is CVE-2017-5731?
- CVE-2017-5731 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-5731 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-5731?
- CVE-2017-5731 affects Tianocore Edk2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-5731?
- 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-2017-5731 published?
- CVE-2017-5731 was published on 2019-10-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*
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