8.6

CVE-2025-52983: Junos OS: After removing ssh public key authentication root can still log in

Analyzed
Published 11-07-2025Last modified 26-02-2026

Vulnerability summary

CVE-2025-52983 is a high (CVSS 8.6) UI Discrepancy for Security Feature vulnerability in juniper networks junos os. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 52.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.6, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
0.68%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 11-07-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

Increase +0.05 pp

From 0.64% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Juniper1 product
  • junos< 22.2 | 22.2 | 22.2:r1 | 22.2:r1-s1 | 22.2:r1-s2 | 22.2:r2 | 22.2:r2-s1 | 22.2:r2-s2 | 22.2:r3 | 22.2:r3-s1 | 22.2:r3-s2 | 22.2:r3-s3 | 22.2:r3-s4 | 22.2:r3-s5 | 22.2:r3-s6 | 22.4 | 22.4:r1 | 22.4:r1-s1 | 22.4:r1-s2 | 22.4:r2 | 22.4:r2-s1 | 22.4:r2-s2 | 22.4:r3 | 22.4:r3-s1 | 22.4:r3-s2 | 22.4:r3-s3 | 22.4:r3-s4 | 23.2 | 23.2:r1 | 23.2:r1-s1 | 23.2:r1-s2 | 23.2:r2 | 23.2:r2-s1 | 23.2:r2-s2 | 23.4 | 23.4:r1 | 23.4:r1-s1 | 23.4:r1-s2 | 23.4:r2 | 23.4:r2-s1 | 23.4:r2-s2 | 24.2 | 24.2:r1 | 24.2:r1-s1 | 24.2:r2
Juniper networks1 product
  • junos os< 22.2R3-S7 | ≥ 22.4, < 22.4R3-S5 | ≥ 23.2, < 23.2R2-S3 | ≥ 23.4, < 23.4R2-S3 | ≥ 24.2, < 24.2R1-S2, 24.2R2

2 vendors · 2 products

References

2 links