Is CVE-2018-16494 in the CISA KEV catalog?

No. CVE-2018-16494 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16494?

CVE-2018-16494 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-16494?

CVE-2018-16494 has an EPSS score of 1.92% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16494?

Upgrade versa operating system to 21.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-16494

HIGHEPSS 77th pctl

8.8

CVSS v3

NVD

Description

In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories. Insecure umask setting was present throughout the Versa servers.

CWE-377 CWE-668

How to fix

Remediation Available

versa operating systemNVD

Affected:>= 21.1.0, < 21.1.1Fixed in:21.1.1CVE-2018-16494derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.92%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Third-Party Advisory1

hackerone.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.