Security readout for executives and security teams
Plain-English summary
FANUC ROBOGUIDE is reported vulnerable to a network-based attack involving specially named files. The known impact is unauthorized access rights with availability impact. This matters most where ROBOGUIDE supports robotics engineering or simulation workflows and can receive files or network content from untrusted sources.
Executive priority
Treat as a moderate operational technology support risk. It is not KEV-listed in the provided bundle, but affected engineering systems may support robotics operations, so confirm exposure and vendor guidance promptly.
Technical view
CVE-2021-43988 is a CWE-22 issue affecting all FANUC ROBOGUIDE versions. The CVSS 3.1 score is 6.1 with network attack vector, high complexity, no privileges, required user interaction, changed scope, and high availability impact. The source bundle does not name a fixed version.
Likely exposure
Exposure is likely limited to organizations using FANUC ROBOGUIDE, especially systems reachable over networks or workflows that process externally supplied files. The source says all versions are affected but does not list CPEs, deployment patterns, or patch levels.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires user interaction and high attack complexity, reducing urgency compared with easily automated remote flaws.
Researcher notes
Evidence is sparse: affected product is all FANUC ROBOGUIDE versions, CWE-22, CVSS 6.1, and a CISA ICS advisory reference. No exploit details, fixed version, or workaround text is included in the provided bundle.
Mitigation direction
- Check FANUC and CISA advisory guidance for current remediation details.
- Inventory all ROBOGUIDE installations and owners.
- Limit network reachability to trusted administrative and engineering systems.
- Restrict handling of untrusted project files until vendor guidance is confirmed.
- Prioritize controls around file intake and shared engineering workspaces.
Validation and detection
- Confirm whether FANUC ROBOGUIDE is deployed anywhere in the environment.
- Record installed versions and compare against current vendor guidance.
- Review whether ROBOGUIDE hosts are reachable from untrusted networks.
- Check engineering workflows for externally supplied files or shared folders.
- Monitor CISA and CVE records for updated remediation details.
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-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 lookupCVE-2021-43988 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/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:H/PR:N/UI:R/S:C/C:N/I:N/A:H1.64Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03CVE reference · x_refsource_MISC
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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.