How severe is CVE-2022-25227?

CVE-2022-25227 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-25227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25227?

CVE-2022-25227 affects Cybelesoft Thinfinity Vnc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25227?

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

When was CVE-2022-25227 published?

CVE-2022-25227 was published on 2022-05-20 and last updated on 2026-06-17.

CVE-2022-25227

CVE-2022-25227 is a high-severity vulnerability in Cybelesoft Thinfinity Vnc with a CVSS 3.x base score of 8.8. 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-346.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-346
Affected product: Cybelesoft Thinfinity Vnc
Published: 2022-05-20
Last modified: 2026-06-17

Description

Thinfinity VNC v4.0.0.1 contains a Cross-Origin Resource Sharing (CORS) vulnerability which can allow an unprivileged remote attacker, if they can trick a user into browse malicious site, to obtain an 'ID' that can be used to send websocket requests and achieve RCE.

Frequently asked questions

What is CVE-2022-25227?: Thinfinity VNC v4.0.0.1 contains a Cross-Origin Resource Sharing (CORS) vulnerability which can allow an unprivileged remote attacker, if they can trick a user into browse malicious site, to obtain an 'ID' that can be used to send websocket requests and achieve RCE.
How severe is CVE-2022-25227?: CVE-2022-25227 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-25227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25227?: CVE-2022-25227 affects Cybelesoft Thinfinity Vnc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-25227 published?: CVE-2022-25227 was published on 2022-05-20 and last updated on 2026-06-17.

References

https://fluidattacks.com/advisories/clapton/

Affected products (1)

cpe:2.3:a:cybelesoft:thinfinity_vnc:4.0.0.1:*:*:*:*:*:*:*

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