How severe is CVE-2021-35064?

CVE-2021-35064 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-2021-35064 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35064?

CVE-2021-35064 affects Kramerav Viaware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35064?

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-2021-35064 published?

CVE-2021-35064 was published on 2021-07-12 and last updated on 2026-06-17.

CVE-2021-35064

CVE-2021-35064 is a critical-severity vulnerability in Kramerav Viaware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 71% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 71% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Kramerav Viaware
Published: 2021-07-12
Last modified: 2026-06-17

Description

KramerAV VIAWare, all tested versions, allow privilege escalation through misconfiguration of sudo. Sudoers permits running of multiple dangerous commands, including unzip, systemctl and dpkg.

Frequently asked questions

What is CVE-2021-35064?: KramerAV VIAWare, all tested versions, allow privilege escalation through misconfiguration of sudo. Sudoers permits running of multiple dangerous commands, including unzip, systemctl and dpkg.
How severe is CVE-2021-35064?: CVE-2021-35064 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-2021-35064 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35064?: CVE-2021-35064 affects Kramerav Viaware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35064?: 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-2021-35064 published?: CVE-2021-35064 was published on 2021-07-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kramerav:viaware:*:*:*:*:*:*:*:*

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