What is CVE-2021-35064?

CVE-2021-35064 is a critical-severity vulnerability in Kramerav Viaware, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2021-07-12.

How severe is CVE-2021-35064?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-35064 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Kramerav Viaware

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.

Vulnerability class: Privilege Escalation

Published 2021-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.708 (99.4th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.708 · newest: 0.708 · change: 0.000

Affected products

Kramerav Viaware

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

www.kramerav.com/us/product/viaware (Product, Exploit, Vendor Advisory)
packetstormsecurity.com/files/166623/Kramer-VIAware-Remote-Code-Execution.html (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-35064?: CVE-2021-35064 is a critical-severity vulnerability in Kramerav Viaware, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2021-07-12.
How severe is CVE-2021-35064?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-35064 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.