CVE-2021-27193

CVE-2021-27193 is a critical-severity vulnerability in Netop Vision Pro with a CVSS 3.x base score of 9.8. 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-276.

Key facts

Description

Incorrect default permissions vulnerability in the API of Netop Vision Pro up to and including 9.7.1 allows a remote unauthenticated attacker to read and write files on the remote machine with system privileges resulting in a privilege escalation.

Frequently asked questions

What is CVE-2021-27193?
Incorrect default permissions vulnerability in the API of Netop Vision Pro up to and including 9.7.1 allows a remote unauthenticated attacker to read and write files on the remote machine with system privileges resulting in a privilege escalation.
How severe is CVE-2021-27193?
CVE-2021-27193 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-2021-27193 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27193?
CVE-2021-27193 affects Netop Vision Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27193?
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-2021-27193 published?
CVE-2021-27193 was published on 2021-03-25 and last updated on 2026-06-17.

References

Affected products (1)

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