Cyber Resilience

CVE-2023-48193

CriticalPublic PoC

Published: 28 November 2023

Published
28 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0385 88.5th percentile
Risk Priority 22 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-48193 is a critical-severity an unspecified weakness vulnerability in Fit2Cloud Jumpserver. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 11.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Insecure Permissions vulnerability in JumpServer GPLv3 v.3.8.0 allows a remote attacker to execute arbitrary code via bypassing the command filtering function. NOTE: this is disputed because command filtering is not intended to restrict what code can be run by authorized…

more

users who are allowed to execute files.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
Why these techniques?

Insecure permissions in JumpServer enable remote attackers to bypass command filtering for arbitrary code execution, facilitating exploitation of public-facing applications (T1190), remote services (T1210), privilege escalation via exploitation (T1068), and command/script interpreter execution (T1059).

Affected Assets

fit2cloud
jumpserver
3.8.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References