CVE-2024-42423: Citrix Workspace App version 23.9.0.24.4 on Dell ThinOS 2311 contains an Incorrect Authorization vulnerability

Routine

MEDIUM 6.1DOWNGRADE

CVE-2024-42423 is a medium-severity flaw (CVSS 6.1) affecting workspace. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Citrix Workspace App version 23.9.0.24.4 on Dell ThinOS 2311 contains an Incorrect Authorization vulnerability when Citrix CEB is enabled for WebLogin. A local unauthenticated user with low privileges may potentially exploit this vulnerability to bypass existing controls and perform unauthorized actions leading to information disclosure and tampering.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-863
Published	2024-09-10
Last modified	2026-06-17

Publisher (CNA): Dell · Vendor: citrix

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

Am I affected?

Timeline

2024-09-10 15:15 UTCPublished CVE record published
2026-06-17 07:49 UTCUpdated Record last modified

citrix workspace DOWNGRADE

Affected: 23.9.0.24.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 23.9.0.24.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 23.9.0.24.4 (Debian / Ubuntu)

apt-cache madison workspace sudo apt install workspace=<VERSION_BEFORE_23.9.0.24.4> sudo apt-mark hold workspace

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

dnf --showduplicates list workspace sudo dnf downgrade workspace-<VERSION_BEFORE_23.9.0.24.4> sudo dnf versionlock add workspace

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-2024-42423?

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

Is CVE-2024-42423 being exploited?

CVE-2024-42423 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-2024-42423 affect?

CVE-2024-42423 affects workspace. Severity is medium (CVSS 6.1). Citrix Workspace App version 23.9.0.24.4 on Dell ThinOS 2311 contains an Incorrect Authorization vulnerability when Citrix CEB is enabled for WebLogin. A local unauthenticated user with low privileges may potentially exploit this vulnerabil

How urgent is CVE-2024-42423?

Priority 22/100. No elevated risk signals yet.

Software pages

Citrix vulnerabilities · Dell vulnerabilities

Related CVEs

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CVE-2024-7890 HIGH 7.3 UPGRADE Local privilege escalation allows a low-privileged user to gain SYSTEM privileges in Citrix Workspace app for
CVE-2024-7889 HIGH 7.3 UPGRADE Local privilege escalation allows a low-privileged user to gain SYSTEM privileges in Citrix Workspace app for
CVE-2024-6286 HIGH 7.8 UPGRADE Local Privilege escalation allows a low-privileged user to gain SYSTEM privileges in Citrix Workspace app for
CVE-2024-6149 MEDIUM 6.1 UPGRADE Redirection of users to a vulnerable URL in Citrix Workspace app for HTML5

References

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