How severe is CVE-2026-23571?

CVE-2026-23571 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-23571 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23571?

CVE-2026-23571 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23571?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-23571 have an EU (EUVD) identifier?

Yes. CVE-2026-23571 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4981.

When was CVE-2026-23571 published?

CVE-2026-23571 was published on 2026-01-29 and last updated on 2026-06-17.

CVE-2026-23571

CVE-2026-23571 is a medium-severity vulnerability in Teamviewer Digital Employee Experience with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4981
Weakness: CWE-20
Affected product: Teamviewer Digital Employee Experience
Published: 2026-01-29
Last modified: 2026-06-17

Description

A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Nomad-RunPkgStatusRequest instruction. Improper input validation allows authenticated attackers with actioner privilege to run elevated arbitrary commands on connected hosts via malicious commands injected into the instruction’s input field. Users of 1E Client version 24.5 or higher are not affected.

Frequently asked questions

What is CVE-2026-23571?: A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Nomad-RunPkgStatusRequest instruction. Improper input validation allows authenticated attackers with actioner privilege to run elevated arbitrary commands on connected hosts via malicious commands injected into the instruction’s input field. Users of 1E Client version 24.5 or higher are not affected.
How severe is CVE-2026-23571?: CVE-2026-23571 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-23571 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23571?: CVE-2026-23571 affects Teamviewer Digital Employee Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23571?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23571 have an EU (EUVD) identifier?: Yes. CVE-2026-23571 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4981.
When was CVE-2026-23571 published?: CVE-2026-23571 was published on 2026-01-29 and last updated on 2026-06-17.

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/

Affected products (1)

cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:*

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