What’s Vulnerable › Vulnerabilities

CVE-2021-32977: AVEVA System Platform Improper Verification of Cryptographic Signature

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-04 · updated 2026-06-17
• Weakness: CWE-347

Description

AVEVA System Platform versions 2017 through 2020 R2 P01 does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected products

• AVEVA System Platform: from 2017 before 2020; 2020, 2020-r2, 2020-r2_p01 — fixed in 2020

How to fix

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

References

• https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05
• https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdf
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05

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