CVE-2023-42920: Claris International has fixed a dylib hijacking vulnerability in the FileMaker Pro.app and Claris Pro.app ver

Q: How do I fix CVE-2023-42920?

claris pro: mitigate or apply the listed mitigation; filemaker pro: upgrade to 20.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-42920 being exploited?

CVE-2023-42920 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-2023-42920 affect?

CVE-2023-42920 affects claris pro, filemaker pro. Severity is high (CVSS 7.8). Claris International has fixed a dylib hijacking vulnerability in the FileMaker Pro.app and Claris Pro.app versions on macOS.

Routine

HIGH 7.8MITIGATEUPGRADE

CVE-2023-42920 is a high-severity flaw (CVSS 7.8) affecting claris pro, filemaker pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Claris International has fixed a dylib hijacking vulnerability in the FileMaker Pro.app and Claris Pro.app versions on macOS.

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 93%)
CISA exploited list	No
Weakness	CWE-427
Published	2024-03-19
Last modified	2026-06-17

Publisher (CNA): Apple Inc. · Vendor: claris

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

Am I affected?

Timeline

2024-03-19 17:15 UTCPublished CVE record published
2026-06-17 06:24 UTCUpdated Record last modified

claris claris pro MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy claris-pro || rpm -q claris-pro || claris-pro --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

claris filemaker pro UPGRADE

Affected: < 20.2

Fixed in: 20.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy filemaker-pro || rpm -q filemaker-pro || filemaker-pro --version

2. UPGRADE to 20.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade filemaker-pro

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade filemaker-pro

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-2023-42920?

claris pro: mitigate or apply the listed mitigation; filemaker pro: upgrade to 20.2. Exact commands for each OS are on this page.

Is CVE-2023-42920 being exploited?

CVE-2023-42920 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-2023-42920 affect?

CVE-2023-42920 affects claris pro, filemaker pro. Severity is high (CVSS 7.8). Claris International has fixed a dylib hijacking vulnerability in the FileMaker Pro.app and Claris Pro.app versions on macOS.

How urgent is CVE-2023-42920?

Priority 29/100. High severity

Software pages

macOS vulnerabilities

Related CVEs

CVE-2023-42954 MEDIUM 4.9 MITIGATE UPGRADE A privilege escalation issue existed in FileMaker Server, potentially exposing sensitive information to front-

References

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