How severe is CVE-2019-0160?

CVE-2019-0160 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-0160 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0160?

CVE-2019-0160 primarily affects Tianocore Edk Ii. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0160?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-0160 published?

CVE-2019-0160 was published on 2019-03-27 and last updated on 2026-06-17.

CVE-2019-0160

CVE-2019-0160 is a critical-severity vulnerability in Tianocore Edk Ii with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tianocore Edk Ii
Published: 2019-03-27
Last modified: 2026-06-17

Description

Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network access.

Frequently asked questions

What is CVE-2019-0160?: Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network access.
How severe is CVE-2019-0160?: CVE-2019-0160 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0160 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0160?: CVE-2019-0160 primarily affects Tianocore Edk Ii. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0160?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-0160 published?: CVE-2019-0160 was published on 2019-03-27 and last updated on 2026-06-17.

References

https://tianocore-docs.github.io/SecurityAdvisory/draft/partitiondxe-and-udf-buffer-overflow.html

Affected products (12)

cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*

More vulnerabilities in Tianocore Edk Ii

CVE-2018-12178 — Critical (CVSS 9.1): Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege…
CVE-2018-12180 — High (CVSS 8.8): Buffer overflow in BlockIo service for EDK II may allow an unauthenticated user to potentially enable escalation of…
CVE-2021-28216 — High (CVSS 7.8): BootPerformanceTable pointer is read from an NVRAM variable in PEI. Recommend setting…
CVE-2018-3613 — High (CVSS 7.8): Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an authenticated user to…
CVE-2018-12179 — High (CVSS 7.8): Improper configuration in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of…
CVE-2019-11098 — Medium (CVSS 6.8): Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable…

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