What is CVE-2021-47663?

CVE-2021-47663 is a high-severity vulnerability in Franka Robotics Emika Robot, classified under Insufficient Session Expiration. CVSS score: 8.1/10. Published 2025-04-24.

How severe is CVE-2021-47663?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2021-47663 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Franka Robotics Emika Robot

CVE-2021-47663

Due to improper JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access.

EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Franka Robotics Emika Robot — versions 0.0.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

info@cert.vde.com

Frequently asked questions

What is CVE-2021-47663?: CVE-2021-47663 is a high-severity vulnerability in Franka Robotics Emika Robot, classified under Insufficient Session Expiration. CVSS score: 8.1/10. Published 2025-04-24.
How severe is CVE-2021-47663?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2021-47663 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.