// For flags

CVE-2023-0750

Yellowbrik PEC-1864 authentication bypass

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.

*Credits: Vincent Salvadori
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-02-08 CVE Reserved
  • 2023-04-06 CVE Published
  • 2025-02-10 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-311: Missing Encryption of Sensitive Data
  • CWE-602: Client-Side Enforcement of Server-Side Security
CAPEC
  • CAPEC-115: Authentication Bypass
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Lynx-technik
Search vendor "Lynx-technik"
Yellobrik Pec 1864 Firmware
Search vendor "Lynx-technik" for product "Yellobrik Pec 1864 Firmware"
--
Affected
in Lynx-technik
Search vendor "Lynx-technik"
Yellobrik Pec 1864
Search vendor "Lynx-technik" for product "Yellobrik Pec 1864"
--
Safe