CVE-2021-32959

highpriority · track · 39EPSS 0.009 · 61 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.94% (61st) EPSS
CVSS 7.5 · high
Is it mine?
32 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Heap-based buffer overflow in SuiteLink server while processing commands 0x05/0x06

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationAVEVA Batch Managementcisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA Communication Drivers Packcisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA Data Acquisition Serverscisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA Historiancisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA InTouchcisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA MEScisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA Operations Integration Corecisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

  • MitigationAVEVA System Platformcisa_csaf_ot

    Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.08.1highCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 2.2 · impact 5.9
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122USCWE-122US
04

affected products (32)

Products and version ranges known to be affected.

showing 20 of 32
05

advisories (1)

Vendor and ecosystem advisories describing this.

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otNVDCVE.orgMITRE
published 2021-09-23modified 2026-06-17
08

references (6)

External citations — patches, advisories, analysis.

scry

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