CVE-2019-10679: Thomson Reuters Eikon 4.0.42144 allows all local users to modify the service executable file because of weak %

This month

HIGH 7.8DOWNGRADE

CVE-2019-10679 is a high-severity flaw (CVSS 7.8) affecting eikon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Thomson Reuters Eikon 4.0.42144 allows all local users to modify the service executable file because of weak %PROGRAMFILES(X86)%\Thomson Reuters\Eikon permissions.

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	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-276
Published	2020-09-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: thomsonreuters

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

Am I affected?

Timeline

2020-09-03 15:15 UTCPublished CVE record published
2026-06-17 02:11 UTCUpdated Record last modified

thomsonreuters eikon DOWNGRADE

Affected: 4.0.42144

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.42144

1. Check installed version

apt-cache policy eikon || rpm -q eikon || eikon --version

2. No fixed release: DOWNGRADE to a release before 4.0.42144 (Debian / Ubuntu)

apt-cache madison eikon sudo apt install eikon=<VERSION_BEFORE_4.0.42144> sudo apt-mark hold eikon

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

dnf --showduplicates list eikon sudo dnf downgrade eikon-<VERSION_BEFORE_4.0.42144> sudo dnf versionlock add eikon

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-2019-10679?

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

Is CVE-2019-10679 being exploited?

CVE-2019-10679 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-2019-10679 affect?

CVE-2019-10679 affects eikon. Severity is high (CVSS 7.8). Thomson Reuters Eikon 4.0.42144 allows all local users to modify the service executable file because of weak %PROGRAMFILES(X86)%\Thomson Reuters\Eikon permissions.

How urgent is CVE-2019-10679?

Priority 43/100. High severity; Public exploit reference

References

← Back to latest CVEs