CVE-2025-21596

MEDIUM EPSS 4.9%
Published Jan 9, 20251y ago · Modified Jun 17, 20262w ago
6.8 CVSS 4.0
Medium
Find Similar
Published Jan 9, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

An Improper Handling of Exceptional Conditions vulnerability in the command-line processing of Juniper Networks Junos OS on SRX1500, SRX4100, and SRX4200 devices allows a local, low-privileged authenticated attacker executing the 'show chassis environment pem' command to cause the chassis daemon (chassisd) to crash and restart, resulting in a temporary Denial of Service (DoS). However, repeated execution of this command will eventually cause the chassisd process to fail to restart, impacting packet processing on the system. This issue affects Junos OS on SRX1500, SRX4100, SRX4200:  * All versions before 21.4R3-S9,  * from 22.2 before 22.2R3-S5,  * from 22.3 before 22.3R3-S4,  * from 22.4 before 22.4R3-S4,  * from 23.2 before 23.2R2-S3,  * from 23.4 before 23.4R2-S1.

CVSS Details

Base Score
6.8
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:X/RE:M/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
4.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-755

Affected Products 66

VendorProductVersionRange
juniperjunos* <21.4
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos21.4any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.2any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.3any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos22.4any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.2any
juniperjunos23.4any
juniperjunos23.4any
juniperjunos23.4any
juniperjunos23.4any
juniperjunos23.4any
junipersrx1500*any
junipersrx4100*any
junipersrx4200*any

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.