CVE-2025-52985
published 2025-07-11CVE-2025-52985: A Use of Incorrect Operator vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker…
PriorityP430medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
0.24%
14.8th percentile
A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to bypass security restrictions.
When a firewall filter which is applied to the lo0 or re:mgmt interface references a prefix list with 'from prefix-list', and that prefix list contains more than 10 entries, the prefix list doesn't match and packets destined to or from the local device are not filtered.
This issue affects firewall filters applied to the re:mgmt interfaces as input and output, but only affects firewall filters applied to the lo0 interface as output.
This issue is applicable to IPv4 and IPv6 as a prefix list can contain IPv4 and IPv6 prefixes.
This issue affects Junos OS Evolved:
* 23.2R2-S3-EVO versions before 23.2R2-S4-EVO,
* 23.4R2-S3-EVO versions before 23.4R2-S5-EVO,
* 24.2R2-EVO versions before 24.2R2-S1-EVO,
* 24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.
This issue doesn't affect Junos OS Evolved versions before 23.2R1-EVO.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | junos_os | — | — |
| juniper | junos_os_evolved | — | — |
| juniper | junos_os_evolved | — | — |
| juniper | junos_os_evolved | — | — |
| juniper | junos_os_evolved | — | — |
| juniper_networks | junos_os_evolved | >= 23.2R2-S3-EVO < 23.2R2-S4-EVO | 23.2R2-S4-EVO |
| juniper_networks | junos_os_evolved | >= 23.4R2-S3-EVO < 23.4R2-S5-EVO | 23.4R2-S5-EVO |
| juniper_networks | junos_os_evolved | >= 24.2R2-EVO < 24.2R2-S1-EVO | 24.2R2-S1-EVO |
| juniper_networks | junos_os_evolved | >= 24.4-EVO < 24.4R1-S3-EVO, 24.4R2-EVO | 24.4R1-S3-EVO, 24.4R2-EVO |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
nvdv4.06.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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:X/R:X/V:X/RE:X/U:X
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GHSA
GHSA-c7mr-h37w-h53j: A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-base
ghsa_unreviewed·2025-07-11
CVE-2025-52985 [MEDIUM] CWE-480 GHSA-c7mr-h37w-h53j: A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-base
A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to bypass security restrictions.
When a firewall filter which is applied to the lo0 or re:mgmt interface references a prefix list with 'from prefix-list', and that prefix list contains more than 10 entries, the prefix list doesn't match and packets destined to or from the local device are not filtered.
This issue affects firewall filters applied to the re:mgmt interfaces as input and output, but only affects firewall filters applied to the lo0 interface as output.
This issue is applicable to IPv4 and IPv6 as a prefix list can contain IPv4 and IPv6 prefixes.
This issue affects Junos OS Evolved:
* 23.2R2-S3-EVO versions before 23
Juniper
CVE-2025-52985: A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-base
vendor_juniper·2025-07-11·CVSS 5.3
CVE-2025-52985 [MEDIUM] CWE-480 CVE-2025-52985: A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-base
CVE-2025-52985: A Use of Incorrect Operator
vulnerability in the Routing Engine firewall of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to bypass security restrictions.
When a firewall filter which is applied to the lo0 or re:mgmt interface references a prefix list with 'from prefix-list', and that prefix list contains more than 10 entries, the prefix list doesn't match and packets destined to or from the local device are not filtered.
This issue affects firewall filters applied to the re:mgmt interfaces as input and output, but only affects firewall filters applied to the lo0 interface as output.
This issue is applicable to IPv4 and IPv6 as a prefix list can contain IPv4 and IPv6 prefixes.
This issue affects Junos OS Evolved:
* 23.2R2-S3-EVO ve
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-07-11
Published