01 Record

CVE-2021-32959

AVEVA SuiteLink Server Buffer Overflow

HighPUBLISHEDCNA: icscert

CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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02 Description

AVEVA SuiteLink Server Buffer Overflow

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.94% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 60.7% of scored records. A rank, not a probability.
NVD base score: 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-09-23 13:32Z5 YR AGO

Last updated

2024-08-03 23:33Z2 YR AGO

Reserved

2021-05-13

Assigning CNA

icscert

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

b5d2f5a37ed288b1f93a35572f6f5883e9aebcd2516e8fa3bfd5accee9d7962c

05 Affected products

VendorProductVersionsPlatforms

AVEVA Software, LLCAVEVA System Platform 2020<= R2 P01—

AVEVA Software, LLCAVEVA InTouch 2020<= R2 P01—

AVEVA Software, LLCAVEVA Historian 2020<= R2 P01—

AVEVA Software, LLCAVEVA Communication Drivers Pack 2020<= R2—

AVEVA Software, LLCAVEVA Batch Management 2020<= 2020—

AVEVA Software, LLCAVEVA MES 2014<= R2—

06 References

www.aveva.comhttps://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-003.pdfx_refsource_CONFIRM

07 Remediation

AVEVA recommends organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Users with affected versions of these products should apply the corresponding security update. Note a subset of the updates requires activation-based licensing. Please see AVEVA security bulletin AVEVA-2021-003 for more information.