CVE-2021-47663

April 24, 2025, 10:15 a.m.

8.1
High

Description

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.

Product(s) Impacted

Vendor Product Versions
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Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-613
Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a / / / / / / / / / /

References

https://www.sciencedirect.com/science/article/pii/S2351978921001657

Tags

CWE-613
info@cert.vde.com
2025-04-24
CVE-2021-47663

CVSS Score

8.1 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

    • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: April 24, 2025, 10:15 a.m.
Last Modified: April 24, 2025, 10:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

info@cert.vde.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.