Known vulnerabilities in Junos OS 21.4R3-S8

Vendor: Juniper Networks, Inc.
Software: Junos OS
Version: 21.4R3-S8
Software CPE: cpe:2.3:o:juniper_networks:juniper_junos_os:*:*:*:*:*:*:*:*
Website: https://www.juniper.net/us/en/
Total vulnerabilities: 11
Public exploits: 0
Known exploited (KEV): 1
Highest CVSSv4 Score: 8.8

Vulnerabilities by Severity

Severity distribution of vulnerabilities affecting Junos OS version 21.4R3-S8 Junos OS 21.4R3-S8 is affected by 11 vulnerabilities: 1 high, 7 medium, 3 low Critical High Medium Low

Vulnerabilities (11)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU130698 - Improper Check for Unusual or Exceptional Conditions
CVE-2026-33790		 CWE-754 Medium
No
No
 21.2R3-S10, 21.4R3-S12, 22.4R3-S9, 23.2R2-S6, 23.4R2-S7, 24.2R2-S3, 24.4R2-S3, 25.2R1-S2, 25.2R2, 25.4R1 08.05.2026 SB2026050823
#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
#VU102530 - Out-of-bounds read
CVE-2025-21598		 CWE-125 Medium
No
No
 21.2R3-S9, 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S5, 23.2R2-S2, 23.4R2-S1, 24.2R1-S1, 24.2R2, 24.4R1 10.01.2025 SB2025011026
#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
#VU102488 - Improper Handling of Exceptional Conditions
CVE-2025-21596		 CWE-755 Low
No
No
 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S4, 23.2R2-S3, 23.4R2-S1, 24.2R1 09.01.2025 SB2025010933
#VU98413 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVE-2024-47494		 CWE-362 Low
No
No
 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S3, 23.2R2-S2, 23.4R2, 24.2R1 11.10.2024 SB2024101139
#VU98403 - Improper Check for Unusual or Exceptional Conditions
CVE-2024-47503		 CWE-754 Medium
No
No
 21.4R3-S9, 22.2R3-S5 11.10.2024 SB2024101130
#VU98389 - Deadlock
CVE-2024-47506		 CWE-833 Medium
No
No
 21.3R3-S1, 21.4R3, 22.1R2, 22.2R1-S2, 22.2R2, 22.3R1 11.10.2024 SB2024101108
#VU98361 - NULL Pointer Dereference
CVE-2024-47496		 CWE-476 Low
No
No
 21.4R3-S9, 22.2R3-S5, 22.3R3-S4, 22.4R3-S2, 23.2R2-S1, 23.4R2, 24.2R1 10.10.2024 SB2024101034