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CVE-2021-42796

Aveva Edge vulnerability

9.8 CRITICALEPSS 1.13%
  1. Published16 Dec 2023

Description

An issue was discovered in ExecuteCommand() in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior that allows unauthenticated arbitrary commands to be executed.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Aveva Edge< 2020 · 2020

Remediation

Fixed in
Aveva Edge≥ 2020

Frequently asked

Is CVE-2021-42796 being actively exploited?

CVE-2021-42796 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.13%.

How severe is CVE-2021-42796?

CVE-2021-42796 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.13% probability of exploitation.

Which products are affected by CVE-2021-42796?

Affected products include Aveva Edge.

How do I fix CVE-2021-42796?

Upgrade affected software to a fixed version, for example Aveva Edge 2020 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-42796 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.