Vulnerability in Juniper Junos
CVE-2025-52989
An Improper Neutralization of Delimiters vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with high privileges to modify the system configuration. A user with limited configuration and commit permissions, using a specifically crafted annotate configuration command, can change any part of the device configuration. This issue affects: Junos OS: * all versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S7, * 23.2 versions before 23.2R2-S4, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2-S1, * 24.4 versions before 24.4R1-S2, 24.4R2; Junos OS Evolved: * all versions before 22.4R3-S7-EVO, * 23.2-EVO versions before 23.2R2-S4-EVO, * 23.4-EVO versions before 23.4R2-S5-EVO, * 24.2-EVO versions before 24.2R2-S1-EVO * 24.4-EVO versions before 24.4R2-EVO.
EPSS: 0.001 (2.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L.
Affected products
- Juniper Junos — versions 22.2, 22.4, 23.2
- Juniper Junos_os_evolved — versions 22.4, 23.2, 23.4
- Juniper Networks Junos Os — versions 0, 22.4, 23.2
- Juniper Networks Junos Os Evolved — versions 0, 23.2-EVO, 23.4-EVO
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52989?
- CVE-2025-52989 is a medium-severity vulnerability in Juniper Junos, classified under CWE-140. CVSS score: 5.1/10. Published 2025-07-11.
- How severe is CVE-2025-52989?
- Medium severity. CVSS v3 base score is 5.1 out of 10.
- Is CVE-2025-52989 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.