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Public proof of concept

CVE-2021-35064

A public proof of concept exists; no exploitation attested.

  • Published2021-07-12
  • WeaknessCWE-269

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-07-1212:15CVE publishedNVD
  2. 2022-04-07Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-35064?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-35064?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Kramerav viaware
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-50856
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedChocapikk/CVE-2021-35064
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-07-12
Last Modified
2026-06-17
NVD status
Modified

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.

Is CVE-2021-35064 actively exploited?

Active exploitation of CVE-2021-35064 has not been confirmed. Its EPSS score was 70.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-35064?

CVE-2021-35064 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record