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Fencer Vulns
high 7.5

CVE-2021-32963 json

AVEVA SuiteLink Server Null Pointer Dereference

published 2021-09-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19684

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Null pointer dereference in SuiteLink server while processing commands 0x03/0x10

Patch / fix

  • aveva suitelink 3.2.002

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-231-01 updated cvss 7.5

ICSA-21-231-01_AVEVA SuiteLink Server

  • AVEVA Software, LLC AVEVA Batch Management < 2014 R2 AVEVA Software, LLC AVEVA Communication Drivers Pack <= 2020 R2 AVEVA Software, LLC AVEVA Data Acquisition Servers AVEVA Software, LLC AVEVA Historian <= 2020 R2 P01 AVEVA Software, LLC AVEVA InTouch <= 2020 AVEVA Software, LLC AVEVA MES < 2014 R2
    +2 more products
    AVEVA Software, LLC AVEVA Operations Integration Core 3.0 and < AVEVA Software, LLC AVEVA System Platform <= 2020 R2 P01
    affected: mitigation “Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.” aveva.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • AVEVA Software, LLC AVEVA System Platform 2020
  • AVEVA Software, LLC AVEVA InTouch 2020
  • AVEVA Software, LLC AVEVA Historian 2020
  • AVEVA Software, LLC AVEVA Communication Drivers Pack 2020
  • AVEVA Software, LLC AVEVA Batch Management 2020
  • AVEVA Software, LLC AVEVA MES 2014

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.