CVE-2020-24088: An issue was discovered in MmMapIoSpace routine in Foxconn Live Update Utility 2.1.6.26, allows local attacker

This month

HIGH 7.8DOWNGRADE

CVE-2020-24088 is a high-severity flaw (CVSS 7.8) affecting live update utility. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in MmMapIoSpace routine in Foxconn Live Update Utility 2.1.6.26, allows local attackers to escalate privileges.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Published	2023-09-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: foxconn

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

Am I affected?

Timeline

2023-09-11 15:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

foxconn live update utility DOWNGRADE

Affected: 2.1.6.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.6.26

1. Check installed version

apt-cache policy live-update-utility || rpm -q live-update-utility || live-update-utility --version

2. No fixed release: DOWNGRADE to a release before 2.1.6.26 (Debian / Ubuntu)

apt-cache madison live-update-utility sudo apt install live-update-utility=<VERSION_BEFORE_2.1.6.26> sudo apt-mark hold live-update-utility

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list live-update-utility sudo dnf downgrade live-update-utility-<VERSION_BEFORE_2.1.6.26> sudo dnf versionlock add live-update-utility

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-24088?

live update utility: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-24088 being exploited?

CVE-2020-24088 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-2020-24088 affect?

CVE-2020-24088 affects live update utility. Severity is high (CVSS 7.8). An issue was discovered in MmMapIoSpace routine in Foxconn Live Update Utility 2.1.6.26, allows local attackers to escalate privileges.

How urgent is CVE-2020-24088?

Priority 40/100. High severity; Public exploit reference

References

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