Security readout for executives and security teams
Plain-English summary
This issue could let an unauthenticated remote attacker guess a valid session identifier and impersonate a user on a Franka Emika Robot. The CVE rates it high because successful abuse could affect confidentiality, integrity, and availability, but the attack complexity is listed as high.
Executive priority
Treat as high priority where Franka Emika Robot administration is network-accessible or used in production workflows. Prioritize exposure reduction and vendor verification because successful impersonation could grant full user access.
Technical view
CVE-2021-47663 describes improper JSON Web Token/session handling, mapped to CWE-613. The CVSS v3.1 score is 8.1 with network attack vector, no privileges or user interaction, high complexity, and high CIA impact.
Likely exposure
Exposure appears limited to deployments matching the CVE entry for Franka Robotics Franka Emika Robot. The metadata is sparse and lists default status as unaffected, so asset and version validation are important before assuming broad exposure.
Exploitation context
The source bundle does not show CISA KEV inclusion or cited evidence of active exploitation. Abuse would require guessing a valid session ID, and the CVSS vector marks attack complexity as high.
Researcher notes
The CVE record provides the core weakness and CVSS data, but affected-version and remediation details are limited. Do not infer additional products, exploit maturity, or patch availability beyond the cited sources.
Mitigation direction
- Check Franka Robotics guidance for firmware or configuration updates.
- Restrict robot and administrative interfaces to trusted networks only.
- Require VPN or equivalent access control for remote administration.
- Invalidate active sessions after suspected exposure.
- Monitor authentication/session anomalies around affected systems.
Validation and detection
- Inventory Franka Emika Robot deployments and software versions.
- Confirm whether any exposed interface uses JWT-based sessions.
- Review vendor advisories for affected builds and remediation status.
- Check logs for unexpected session reuse or user impersonation signs.
- Verify administrative interfaces are not internet-exposed.
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-613: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-47663 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.sciencedirect.com/science/article/pii/S2351978921001657CVE reference
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.
Insufficient Session Expiration
Insufficient Session Expiration represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.