What’s Vulnerable › Vulnerabilities

CVE-2021-42797

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-16 · updated 2026-06-17
• Weakness: CWE-22

Description

Path traversal vulnerability in AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and prior allows an unauthenticated user to steal the Windows access token of the user account configured for accessing external DB resources.

Affected products

• AVEVA Edge: before 2020; 2020, 2020-r2 — fixed in 2020

How to fix

Upgrade to a fixed version: AVEVA Edge 2020. Check the vendor advisory for mitigations.

References

• https://www.aveva.com/en/products/edge/
• https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01
• https://www.aveva.com/en/products/edge/
• https://www.cisa.gov/news-events/ics-advisories/icsa-22-326-01

Get alerted when CVE-2021-42797 or the next vulnerability affects your stack