How severe is CVE-2022-28054?

CVE-2022-28054 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-28054 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28054?

CVE-2022-28054 affects Vandyke Vshell. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28054?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-28054 published?

CVE-2022-28054 was published on 2022-05-02 and last updated on 2026-06-17.

CVE-2022-28054

CVE-2022-28054 is a critical-severity vulnerability in Vandyke Vshell with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Vandyke Vshell
Published: 2022-05-02
Last modified: 2026-06-17

Description

Improper sanitization of trigger action scripts in VanDyke Software VShell for Windows v4.6.2 allows attackers to execute arbitrary code via a crafted value.

Frequently asked questions

What is CVE-2022-28054?: Improper sanitization of trigger action scripts in VanDyke Software VShell for Windows v4.6.2 allows attackers to execute arbitrary code via a crafted value.
How severe is CVE-2022-28054?: CVE-2022-28054 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-28054 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28054?: CVE-2022-28054 affects Vandyke Vshell. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28054?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-28054 published?: CVE-2022-28054 was published on 2022-05-02 and last updated on 2026-06-17.

References

https://www.vandyke.com/support/advisory/2022/02/remote-execution-via-triggers.html

Affected products (1)

cpe:2.3:a:vandyke:vshell:*:*:*:*:*:*:*:*