Security readout for executives and security teams
Plain-English summary
AVEVA System Platform has a path traversal flaw where specially formed external input can make the software access files outside an intended restricted directory. The CVSS score is high, but exploitation requires high privileges. For industrial environments using affected versions, treat this as important because confidentiality, integrity, and availability impacts are all rated high.
Executive priority
Prioritize this for OT and industrial environments running affected AVEVA System Platform versions. It is not KEV-listed in the supplied data, but the potential impact is high across data exposure, tampering, and service disruption if a privileged attacker can reach the vulnerable function.
Technical view
CVE-2021-32981 is CWE-22 path traversal in AVEVA System Platform 2017 through 2020 R2 P01. The flaw comes from using external input to construct a file or directory path without properly neutralizing special path elements. CVSS 3.1 is 7.2: network attack vector, low complexity, high privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is most likely in organizations running AVEVA System Platform versions identified by the sources, especially 2017 through 2020 R2 P01. The source bundle has incomplete affected-version structure, so confirm exact installed versions against AVEVA and CISA guidance.
Exploitation context
The CVE is not listed as CISA KEV in the source bundle, and no provided source states active exploitation. The CVSS vector indicates network reachability and low attack complexity, but also requires high privileges, reducing broad opportunistic risk while preserving serious insider or post-compromise impact.
Researcher notes
The strongest technical signals are CWE-22, CVSS 7.2, AV:N/AC:L/PR:H/UI:N, and high CIA impact. The bundle describes versions 2017 through 2020 R2 P01, while the structured affected entry only lists 2017; validate version scope directly against the vendor bulletin.
Mitigation direction
- Check AVEVA's security bulletin for the vendor-supported update or mitigation path.
- Review CISA advisory ICSA-21-180-05 for operational mitigation guidance.
- Prioritize remediation on internet-connected or broadly reachable System Platform environments.
- Restrict access to AVEVA System Platform administrative interfaces to trusted users and networks.
- Confirm privileged accounts follow least-privilege and are monitored.
Validation and detection
- Inventory AVEVA System Platform deployments and record exact version and patch level.
- Compare installed versions against AVEVA bulletin AVEVA-2021-002 and CISA ICSA-21-180-05.
- Verify whether affected systems have vendor-recommended fixes or mitigations applied.
- Review exposure of affected services to untrusted networks.
- Check privileged account access patterns for unusual file or administrative activity.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-32981 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-180-05CVE reference · x_refsource_CONFIRM
- https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2021-002.pdfCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.