// For flags

CVE-2023-43124

BIG-IP APM Clients TunnelCrack vulnerability

Severity Score

7.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

BIG-IP APM clients may send IP traffic outside of the VPN tunnel. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Los clientes BIG-IP APM pueden enviar tráfico IP fuera del túnel VPN. Nota: Las versiones de software que han llegado al Final del Soporte Técnico (EoTS) no se evalúan

*Credits: Bypassing Tunnels: Leaking VPN Client Traffic by Abusing Routing Tables https://papers.mathyvanhoef.com/usenix2023-tunnelcrack.pdf
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-09-18 CVE Reserved
  • 2023-09-27 CVE Published
  • 2024-09-23 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-319: Cleartext Transmission of Sensitive Information
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://my.f5.com/manage/s/article/K000136907 2023-09-29
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
F5
Search vendor "F5"
 Big-ip Access Policy Manager
Search vendor "F5" for product "Big-ip Access Policy Manager"
 >= 14.1.5.2 <= 14.1.5.6
Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 14.1.5.2 <= 14.1.5.6"
-
Affected
F5
Search vendor "F5"
 Big-ip Access Policy Manager
Search vendor "F5" for product "Big-ip Access Policy Manager"
 >= 15.1.8 <= 15.1.10
Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 15.1.8 <= 15.1.10"
-
Affected
F5
Search vendor "F5"
 Big-ip Access Policy Manager
Search vendor "F5" for product "Big-ip Access Policy Manager"
 >= 16.1.3.3 <= 16.1.4
Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 16.1.3.3 <= 16.1.4"
-
Affected
F5
Search vendor "F5"
 Big-ip Access Policy Manager
Search vendor "F5" for product "Big-ip Access Policy Manager"
 13.1.5.1
Search vendor "F5" for product "Big-ip Access Policy Manager" and version "13.1.5.1"
-
Affected
F5
Search vendor "F5"
 Big-ip Access Policy Manager
Search vendor "F5" for product "Big-ip Access Policy Manager"
 17.1.0
Search vendor "F5" for product "Big-ip Access Policy Manager" and version "17.1.0"
-
Affected
F5
Search vendor "F5"
 Big-ip Access Policy Manager Client
Search vendor "F5" for product "Big-ip Access Policy Manager Client"
 >= 7.2.3 <= 7.2.4
Search vendor "F5" for product "Big-ip Access Policy Manager Client" and version " >= 7.2.3 <= 7.2.4"
-
Affected