CVE-2019-14563
CVE-2019-14563 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-681.
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-681
- Affected product: Tianocore Edk2
- Published:
- Last modified:
Description
Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.
Frequently asked questions
- What is CVE-2019-14563?
- Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.
- How severe is CVE-2019-14563?
- CVE-2019-14563 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-2019-14563 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-2019-14563?
- CVE-2019-14563 primarily affects Tianocore Edk2. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-14563?
- 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-2019-14563 published?
- CVE-2019-14563 was published on 2020-11-23 and last updated on 2026-06-17.
References
- https://bugzilla.tianocore.org/show_bug.cgi?id=2001
- https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html
Affected products (2)
- cpe:2.3:a:tianocore:edk2:-:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
More vulnerabilities in Tianocore Edk2
- CVE-2025-2486 — High (CVSS 8.8): The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments,…
- CVE-2023-45235 — High (CVSS 8.3): EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from…
- CVE-2023-45234 — High (CVSS 8.3): EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a…
- CVE-2023-45230 — High (CVSS 8.3): EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client.…
- CVE-2021-38575 — High (CVSS 8.1): NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
- CVE-2019-14586 — High (CVSS 8.0): Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege,…
All CVEs affecting Tianocore Edk2 →
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