Security readout for executives and security teams
Plain-English summary
This vulnerability lets a user who can modify PI ProcessBook files plant script content that PI Vision may import. If another user opens or interacts with the affected display, the attacker may access, change, or delete data available to that user. The business risk is highest where PI Vision exposes sensitive operational data.
Executive priority
Treat this as a high-priority remediation for environments where PI Vision supports operational decision-making or sensitive process data. Prioritize upgrade and access control review because compromise can ride on a trusted user’s permissions.
Technical view
CVE-2020-25163 is a stored cross-site scripting issue in OSIsoft PI Vision 2020 before 3.5.0. Exploitation requires low privileges, write access to PI ProcessBook files, and victim interaction. Impact can cross security scope and affect confidentiality and integrity of PI System data, with no availability impact identified in the CVSS vector.
Likely exposure
Exposure is most likely in organizations running PI Vision 2020 versions earlier than 3.5.0, especially where users can write PI ProcessBook files that are imported into PI Vision and where displays are viewed by higher-privileged users.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The attack is not unauthenticated drive-by exploitation; it requires write access to ProcessBook files and a victim viewing or interacting with the infected display.
Researcher notes
Evidence supports stored XSS with high confidentiality and integrity impact, but the public bundle does not include exploit details or active exploitation. Validation should focus on version status, import paths, ProcessBook write permissions, and whether victims could expose sensitive PI System data.
Mitigation direction
- Upgrade PI Vision 2020 to version 3.5.0 or later where applicable.
- Review the CISA and OSIsoft advisory for vendor-specific remediation guidance.
- Restrict write access to PI ProcessBook files to trusted, necessary users only.
- Review imported ProcessBook displays from untrusted or broad-write locations.
- Apply least privilege to PI Vision users and sensitive PI System data access.
Validation and detection
- Inventory PI Vision deployments and confirm whether any are below version 3.5.0.
- Map PI ProcessBook file locations and users with write permissions.
- Identify PI Vision displays imported from ProcessBook files.
- Review suspect displays for unexpected embedded script or unauthorized changes.
- Confirm high-privilege users do not routinely open untrusted imported displays.
Public sources used
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2020-25163 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
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:H/PR:L/UI:R/S:C/C:H/I:H/A:N1.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-20-315-02CVE 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.