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Misconfiguration
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CVE Vulnerabilities

CVE-2025-59961

Incorrect Permission Assignment for Critical Resource

Published: Jan 15, 2026 | Modified: Jan 23, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-59961
CWEhttps://cwe.mitre.org/data/definitions/732.html

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the resource.

This vulnerability allows any low-privileged user logged into the system to connect to the Unix socket and issue commands to manage the DHCP service, in essence, taking administrative control of the local DHCP server or DHCP relay.

This issue affects: Junos OS:

  • all versions before 21.2R3-S10,
  • all versions of 22.2,
  • from 21.4 before 21.4R3-S12,
  • from 22.4 before 22.4R3-S8,
  • from 23.2 before 23.2R2-S5,
  • from 23.4 before 23.4R2-S6,
  • from 24.2 before 24.2R2-S2,
  • from 24.4 before 24.4R2,
  • from 25.2 before 25.2R1-S1, 25.2R2;

Junos OS Evolved:

  • all versions before 22.4R3-S8-EVO,
  • from 23.2 before 23.2R2-S5-EVO,
  • from 23.4 before 23.4R2-S6-EVO,
  • from 24.2 before 24.2R2-S2-EVO,
  • from 24.4 before 24.4R2-EVO,
  • from 25.2 before 25.2R1-S1-EVO, 25.2R2-EVO.

Weakness

The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Affected Software

NameVendorStart VersionEnd Version
JunosJuniper*21.2 (excluding)
JunosJuniper21.2 (including)21.2 (including)
JunosJuniper21.2-r1 (including)21.2-r1 (including)
JunosJuniper21.2-r1-s1 (including)21.2-r1-s1 (including)
JunosJuniper21.2-r1-s2 (including)21.2-r1-s2 (including)
JunosJuniper21.2-r2 (including)21.2-r2 (including)
JunosJuniper21.2-r2-s1 (including)21.2-r2-s1 (including)
JunosJuniper21.2-r2-s2 (including)21.2-r2-s2 (including)
JunosJuniper21.2-r3 (including)21.2-r3 (including)
JunosJuniper21.2-r3-s1 (including)21.2-r3-s1 (including)
JunosJuniper21.2-r3-s2 (including)21.2-r3-s2 (including)
JunosJuniper21.2-r3-s3 (including)21.2-r3-s3 (including)
JunosJuniper21.2-r3-s4 (including)21.2-r3-s4 (including)
JunosJuniper21.2-r3-s5 (including)21.2-r3-s5 (including)
JunosJuniper21.2-r3-s6 (including)21.2-r3-s6 (including)
JunosJuniper21.2-r3-s7 (including)21.2-r3-s7 (including)
JunosJuniper21.2-r3-s8 (including)21.2-r3-s8 (including)
JunosJuniper21.2-r3-s9 (including)21.2-r3-s9 (including)
JunosJuniper21.4 (including)21.4 (including)
JunosJuniper21.4-r1 (including)21.4-r1 (including)
JunosJuniper21.4-r1-s1 (including)21.4-r1-s1 (including)
JunosJuniper21.4-r1-s2 (including)21.4-r1-s2 (including)
JunosJuniper21.4-r2 (including)21.4-r2 (including)
JunosJuniper21.4-r2-s1 (including)21.4-r2-s1 (including)
JunosJuniper21.4-r2-s2 (including)21.4-r2-s2 (including)
JunosJuniper21.4-r3 (including)21.4-r3 (including)
JunosJuniper21.4-r3-s1 (including)21.4-r3-s1 (including)
JunosJuniper21.4-r3-s10 (including)21.4-r3-s10 (including)
JunosJuniper21.4-r3-s11 (including)21.4-r3-s11 (including)
JunosJuniper21.4-r3-s2 (including)21.4-r3-s2 (including)
JunosJuniper21.4-r3-s3 (including)21.4-r3-s3 (including)
JunosJuniper21.4-r3-s4 (including)21.4-r3-s4 (including)
JunosJuniper21.4-r3-s5 (including)21.4-r3-s5 (including)
JunosJuniper21.4-r3-s6 (including)21.4-r3-s6 (including)
JunosJuniper21.4-r3-s7 (including)21.4-r3-s7 (including)
JunosJuniper21.4-r3-s8 (including)21.4-r3-s8 (including)
JunosJuniper21.4-r3-s9 (including)21.4-r3-s9 (including)
JunosJuniper22.2 (including)22.2 (including)
JunosJuniper22.4 (including)22.4 (including)
JunosJuniper22.4-r1 (including)22.4-r1 (including)
JunosJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
JunosJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
JunosJuniper22.4-r2 (including)22.4-r2 (including)
JunosJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
JunosJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
JunosJuniper22.4-r3 (including)22.4-r3 (including)
JunosJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
JunosJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
JunosJuniper22.4-r3-s3 (including)22.4-r3-s3 (including)
JunosJuniper22.4-r3-s4 (including)22.4-r3-s4 (including)
JunosJuniper22.4-r3-s5 (including)22.4-r3-s5 (including)
JunosJuniper22.4-r3-s6 (including)22.4-r3-s6 (including)
JunosJuniper22.4-r3-s7 (including)22.4-r3-s7 (including)
JunosJuniper23.2 (including)23.2 (including)
JunosJuniper23.2-r1 (including)23.2-r1 (including)
JunosJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
JunosJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
JunosJuniper23.2-r2 (including)23.2-r2 (including)
JunosJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
JunosJuniper23.2-r2-s2 (including)23.2-r2-s2 (including)
JunosJuniper23.2-r2-s3 (including)23.2-r2-s3 (including)
JunosJuniper23.2-r2-s4 (including)23.2-r2-s4 (including)
JunosJuniper23.4 (including)23.4 (including)
JunosJuniper23.4-r1 (including)23.4-r1 (including)
JunosJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
JunosJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)
JunosJuniper23.4-r2 (including)23.4-r2 (including)
JunosJuniper23.4-r2-s1 (including)23.4-r2-s1 (including)
JunosJuniper23.4-r2-s2 (including)23.4-r2-s2 (including)
JunosJuniper23.4-r2-s3 (including)23.4-r2-s3 (including)
JunosJuniper23.4-r2-s4 (including)23.4-r2-s4 (including)
JunosJuniper23.4-r2-s5 (including)23.4-r2-s5 (including)
JunosJuniper24.2 (including)24.2 (including)
JunosJuniper24.2-r1 (including)24.2-r1 (including)
JunosJuniper24.2-r1-s1 (including)24.2-r1-s1 (including)
JunosJuniper24.2-r1-s2 (including)24.2-r1-s2 (including)
JunosJuniper24.2-r2 (including)24.2-r2 (including)
JunosJuniper24.2-r2-s1 (including)24.2-r2-s1 (including)
JunosJuniper24.4 (including)24.4 (including)
JunosJuniper24.4-r1 (including)24.4-r1 (including)
JunosJuniper24.4-r1-s2 (including)24.4-r1-s2 (including)
JunosJuniper24.4-r1-s3 (including)24.4-r1-s3 (including)
JunosJuniper25.2 (including)25.2 (including)
JunosJuniper25.2-r1 (including)25.2-r1 (including)
JunosJuniper25.2-r2 (including)25.2-r2 (including)
Junos_os_evolvedJuniper*22.4 (excluding)
Junos_os_evolvedJuniper22.4 (including)22.4 (including)
Junos_os_evolvedJuniper22.4-r1 (including)22.4-r1 (including)
Junos_os_evolvedJuniper22.4-r1-s1 (including)22.4-r1-s1 (including)
Junos_os_evolvedJuniper22.4-r1-s2 (including)22.4-r1-s2 (including)
Junos_os_evolvedJuniper22.4-r2 (including)22.4-r2 (including)
Junos_os_evolvedJuniper22.4-r2-s1 (including)22.4-r2-s1 (including)
Junos_os_evolvedJuniper22.4-r2-s2 (including)22.4-r2-s2 (including)
Junos_os_evolvedJuniper22.4-r3 (including)22.4-r3 (including)
Junos_os_evolvedJuniper22.4-r3-s1 (including)22.4-r3-s1 (including)
Junos_os_evolvedJuniper22.4-r3-s2 (including)22.4-r3-s2 (including)
Junos_os_evolvedJuniper22.4-r3-s3 (including)22.4-r3-s3 (including)
Junos_os_evolvedJuniper22.4-r3-s4 (including)22.4-r3-s4 (including)
Junos_os_evolvedJuniper22.4-r3-s5 (including)22.4-r3-s5 (including)
Junos_os_evolvedJuniper22.4-r3-s6 (including)22.4-r3-s6 (including)
Junos_os_evolvedJuniper22.4-r3-s7 (including)22.4-r3-s7 (including)
Junos_os_evolvedJuniper23.2 (including)23.2 (including)
Junos_os_evolvedJuniper23.2-r1 (including)23.2-r1 (including)
Junos_os_evolvedJuniper23.2-r1-s1 (including)23.2-r1-s1 (including)
Junos_os_evolvedJuniper23.2-r1-s2 (including)23.2-r1-s2 (including)
Junos_os_evolvedJuniper23.2-r2 (including)23.2-r2 (including)
Junos_os_evolvedJuniper23.2-r2-s1 (including)23.2-r2-s1 (including)
Junos_os_evolvedJuniper23.2-r2-s2 (including)23.2-r2-s2 (including)
Junos_os_evolvedJuniper23.2-r2-s3 (including)23.2-r2-s3 (including)
Junos_os_evolvedJuniper23.2-r2-s4 (including)23.2-r2-s4 (including)
Junos_os_evolvedJuniper23.4 (including)23.4 (including)
Junos_os_evolvedJuniper23.4-r1 (including)23.4-r1 (including)
Junos_os_evolvedJuniper23.4-r1-s1 (including)23.4-r1-s1 (including)
Junos_os_evolvedJuniper23.4-r1-s2 (including)23.4-r1-s2 (including)
Junos_os_evolvedJuniper23.4-r2 (including)23.4-r2 (including)
Junos_os_evolvedJuniper23.4-r2-s1 (including)23.4-r2-s1 (including)
Junos_os_evolvedJuniper23.4-r2-s2 (including)23.4-r2-s2 (including)
Junos_os_evolvedJuniper23.4-r2-s3 (including)23.4-r2-s3 (including)
Junos_os_evolvedJuniper23.4-r2-s4 (including)23.4-r2-s4 (including)
Junos_os_evolvedJuniper23.4-r2-s5 (including)23.4-r2-s5 (including)
Junos_os_evolvedJuniper24.2 (including)24.2 (including)
Junos_os_evolvedJuniper24.2-r1 (including)24.2-r1 (including)
Junos_os_evolvedJuniper24.2-r1-s2 (including)24.2-r1-s2 (including)
Junos_os_evolvedJuniper24.2-r2 (including)24.2-r2 (including)
Junos_os_evolvedJuniper24.2-r2-s1 (including)24.2-r2-s1 (including)
Junos_os_evolvedJuniper24.4 (including)24.4 (including)
Junos_os_evolvedJuniper24.4-r1 (including)24.4-r1 (including)
Junos_os_evolvedJuniper24.4-r1-s2 (including)24.4-r1-s2 (including)
Junos_os_evolvedJuniper24.4-r1-s3 (including)24.4-r1-s3 (including)
Junos_os_evolvedJuniper25.2 (including)25.2 (including)
Junos_os_evolvedJuniper25.2-r1 (including)25.2-r1 (including)
Junos_os_evolvedJuniper25.2-r2 (including)25.2-r2 (including)

Potential Mitigations

  • Run the code in a “jail” or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
  • OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.

References

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