Known vulnerabilities in Junos OS 21.3R3-S5

Vendor: Juniper Networks, Inc.

Software: Junos OS

Version: 21.3R3-S5

Software CPE: cpe:2.3:o:juniper_networks:juniper_junos_os:*:*:*:*:*:*:*:*

Website: https://www.juniper.net/us/en/

Total vulnerabilities: 7

Public exploits: 0

Known exploited (KEV): 1

Highest CVSSv4 Score: 8.8

Vulnerabilities (7)

Vulnerability	CWE-ID	CSH Severity	Public Exploit	KEV	First fixed release	Published	Bulletins
#VU105679 - Permissions, Privileges, and Access Controls CVE-2025-21590	CWE-264	High	No	Exploited	21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S6, 23.2R2-S3, 23.4R2-S4, 24.2R1-S2, 24.2R2, 24.4R1	12.03.2025	SB2025031279
#VU102533 - Out-of-bounds read CVE-2025-21600	CWE-125	Medium	No	No	21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S5, 23.2R2-S3, 23.4R2-S3, 24.2R1-S2, 24.2R2, 24.4R1	10.01.2025	SB2025011032
#VU102532 - Improper Check or Handling of Exceptional Conditions CVE-2025-21602	CWE-703	Medium	No	No	21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S5, 23.2R2-S3, 23.4R2-S3, 24.2R1-S2, 24.2R2, 24.4R1	10.01.2025	SB2025011027
#VU102521 - Improper control of a resource through its lifetime CVE-2025-21593	CWE-664	Medium	No	No	21.2R3-S9, 21.4R3-S10, 22.2R3-S5, 22.3R3-S4, 22.4R3-S3, 23.2R2-S2, 23.4R2, 24.2R1	10.01.2025	SB2025011008
#VU98394 - NULL Pointer Dereference CVE-2024-47501	CWE-476	Low	No	No	21.2R3-S1, 21.3R3, 21.4R2, 22.1R1	11.10.2024	SB2024101113
#VU88445 - Improper Handling of Exceptional Conditions CVE-2024-30382	CWE-755	Medium	No	No	20.4R3-S10, 21.3R3, 21.4R3, 22.1R2, 22.2R1	11.04.2024	SB2024041104
#VU80111 - Improper input validation CVE-2023-4481	CWE-20	Medium	No	No	-	29.08.2023	SB2023082953