How severe is CVE-2017-16837?

CVE-2017-16837 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-2017-16837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16837?

CVE-2017-16837 affects Trusted Boot Project Trusted Boot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16837?

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-2017-16837 published?

CVE-2017-16837 was published on 2017-11-16 and last updated on 2026-06-17.

CVE-2017-16837

CVE-2017-16837 is a high-severity vulnerability in Trusted Boot Project Trusted Boot 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Trusted Boot Project Trusted Boot
Published: 2017-11-16
Last modified: 2026-06-17

Description

Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.

Frequently asked questions

What is CVE-2017-16837?: Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.
How severe is CVE-2017-16837?: CVE-2017-16837 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-2017-16837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16837?: CVE-2017-16837 affects Trusted Boot Project Trusted Boot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16837?: 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-2017-16837 published?: CVE-2017-16837 was published on 2017-11-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:trusted_boot_project:trusted_boot:1.9.6:*:*:*:*:*:*:*

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