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CVE-2025-52983VulnerabilityPublished Updated

CVE-2025-52983: Juniper Networks Junos OS · UI Discrepancy for Security Feature

Affects Juniper Networks Junos OSSource CVE Database V5

0

Not known to be exploited · CVSS 7.2 High : upgrade to 22.2R3-S7 soon.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 22.2R3-S7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade Juniper Networks Junos OS to 22.2R3-S7.

Affected software

ProductAffectedFixed in
Juniper Networks Junos OSAffected
  • =0
  • =22.4
  • =23.2
  • =23.4
  • =24.2
  • <22.2R3-S7
Fixed in
  • 22.2R3-S7

AI-suggested

To mitigate CVE-2025-52983, organizations should take the following specific actions: 1) Immediately identify all Juniper Networks Junos OS VM Host Routing Engines in their environment and verify the installed versions against the affected list. 3) Until patches are applied, restrict network access to management interfaces of affected devices using network segmentation, access control lists, and VPNs to limit exposure to untrusted networks. 4) Review and audit SSH key management policies to ensure that private keys are securely stored and that any removed public keys are verified to be effectively revoked. 5) Implement multi-factor authentication (MFA) for administrative access where supported to add an additional layer of defense. 6) Monitor device logs and network traffic for unusual authentication attempts or root logins from unexpected sources. 7) Conduct regular security assessments and penetration tests focusing on key-based authentication mechanisms and UI discrepancies. 8) Engage with Juniper support and subscribe to security advisories for timely updates. These steps go beyond generic advice by emphasizing immediate patching, access restriction, key management validation, and proactive monitoring tailored to the nature of this vulnerability.

Description

A UI Discrepancy for Security Feature vulnerability in the UI of Juniper Networks Junos OS on VM Host systems allows a network-based, unauthenticated attacker to access the device. On VM Host Routing Engines (RE), even if the configured public key for root has been removed, remote users which are in possession of the corresponding private key can still log in as root. This issue affects Junos OS: * all versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S5, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2-S3, * 24.2 versions before 24.2R1-S2, 24.2R2.

References

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