CVE-2017-9457: Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the

Q: How do I fix CVE-2017-9457?

intense pc firmware: upgrade to newer than cr_2.2.0.400.2. Exact commands for each OS are on this page.

Q: Is CVE-2017-9457 being exploited?

CVE-2017-9457 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-9457 affect?

CVE-2017-9457 affects intense pc firmware. Severity is medium (CVSS 6.7). Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware. The absence of signature validation allows an attacker with administrator privileges to flash a modified UEFI BI

Q: How urgent is CVE-2017-9457?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 6.7UPGRADE

CVE-2017-9457 is a medium-severity flaw (CVSS 6.7) affecting intense pc firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware. The absence of signature validation allows an attacker with administrator privileges to flash a modified UEFI BIOS.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.7 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-20
Published	2017-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: compulab

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-07-25 14:29 UTCPublished CVE record published
2026-06-17 01:28 UTCUpdated Record last modified

compulab intense pc firmware UPGRADE

Affected: <= cr_2.2.0.400.2

Fixed in: newer than cr_2.2.0.400.2

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-9457?

intense pc firmware: upgrade to newer than cr_2.2.0.400.2. Exact commands for each OS are on this page.

Is CVE-2017-9457 being exploited?

CVE-2017-9457 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-9457 affect?

CVE-2017-9457 affects intense pc firmware. Severity is medium (CVSS 6.7). Intense PC Phoenix SecureCore UEFI firmware does not perform capsule signature validation before upgrading the system firmware. The absence of signature validation allows an attacker with administrator privileges to flash a modified UEFI BI

How urgent is CVE-2017-9457?

Priority 38/100. No elevated risk signals yet.

Related CVEs

CVE-2017-8083 MEDIUM 6.7 UPGRADE UPGRADE CompuLab Intense PC and MintBox 2 devices with BIOS before 2017-05-21 do not use the CloseMnf protection mecha

References

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