CVE-2023-25396: Privilege escalation in the MSI repair functionality in Caphyon Advanced Installer 20.0 and below allows attac

Q: How do I fix CVE-2023-25396?

advanced installer: upgrade to newer than 20.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-25396 being exploited?

CVE-2023-25396 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-2023-25396 affect?

CVE-2023-25396 affects advanced installer. Severity is high (CVSS 7.8). Privilege escalation in the MSI repair functionality in Caphyon Advanced Installer 20.0 and below allows attackers to access and manipulate system files.

Routine

HIGH 7.8UPGRADE

CVE-2023-25396 is a high-severity flaw (CVSS 7.8) affecting advanced installer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Privilege escalation in the MSI repair functionality in Caphyon Advanced Installer 20.0 and below allows attackers to access and manipulate system files.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Published	2023-02-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: caphyon

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

Am I affected?

Timeline

2023-02-08 19:15 UTCPublished CVE record published
2026-06-17 05:41 UTCUpdated Record last modified

caphyon advanced installer UPGRADE

Affected: <= 20.0

Fixed in: newer than 20.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy advanced-installer || rpm -q advanced-installer || advanced-installer --version

2. UPGRADE to newer than 20.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade advanced-installer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade advanced-installer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-25396?

advanced installer: upgrade to newer than 20.0. Exact commands for each OS are on this page.

Is CVE-2023-25396 being exploited?

CVE-2023-25396 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-2023-25396 affect?

CVE-2023-25396 affects advanced installer. Severity is high (CVSS 7.8). Privilege escalation in the MSI repair functionality in Caphyon Advanced Installer 20.0 and below allows attackers to access and manipulate system files.

How urgent is CVE-2023-25396?

Priority 30/100. High severity

Related CVEs

CVE-2022-27438 HIGH 8.1 UPGRADE DOWNGRADE Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer
CVE-2022-4956 HIGH 7.8 DOWNGRADE A vulnerability classified as critical has been found in Caphyon Advanced Installer 19.7

References

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