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CVE-2025-52989

Junos OS and Junos OS Evolved: Annotate configuration command can be used to change the configuration

MEDIUM
5.1
CVSS Score
Published: July 11, 2025 at 03:10 PM UTC
Updated: June 17, 2026 at 09:37 AM UTC
3 products affected across 2 vendorsJunosJunos OS EvolvedJunos OS Evolved

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

An Improper Neutralization of Delimiters vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with high privileges to modify the system configuration. A user with limited configuration and commit permissions, using a specifically crafted annotate configuration command, can change any part of the device configuration. This issue affects: Junos OS: * all versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S7, * 23.2 versions before 23.2R2-S4, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2-S1, * 24.4 versions before 24.4R1-S2, 24.4R2; Junos OS Evolved: * all versions before 22.4R3-S7-EVO, * 23.2-EVO versions before 23.2R2-S4-EVO, * 23.4-EVO versions before 23.4R2-S5-EVO,  * 24.2-EVO versions before 24.2R2-S1-EVO * 24.4-EVO versions before 24.4R2-EVO.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos OS Evolved· Juniper
95%
v < 22.422.422.4 r122.4 r1-s122.4 r1-s222.4 r222.4 r2-s122.4 r2-s222.4 r322.4 r3-s122.4 r3-s222.4 r3-s322.4 r3-s422.4 r3-s522.4 r3-s623.223.2 r123.2 r1-s123.2 r1-s223.2 r223.2 r2-s123.2 r2-s223.2 r2-s323.423.4 r123.4 r1-s123.4 r1-s223.4 r223.4 r2-s123.4 r2-s223.4 r2-s323.4 r2-s424.224.2 r124.2 r1-s224.2 r224.424.4 r124.4 r1-s224.4 r1-s3
Junos· Juniper Networks
95%
v < 22.2v < 22.2R3-S722.4 ≤ v < 22.4R3-S723.2 ≤ v < 23.2R2-S423.4 ≤ v < 23.4R2-S424.2 ≤ v < 24.2R2-S124.4 ≤ v < 24.4R1-S2, 24.4R222.222.2 r122.2 r1-s122.2 r1-s222.2 r222.2 r2-s122.2 r2-s222.2 r322.2 r3-s122.2 r3-s222.2 r3-s322.2 r3-s422.2 r3-s522.2 r3-s622.422.4 r122.4 r1-s122.4 r1-s222.4 r222.4 r2-s122.4 r2-s222.4 r322.4 r3-s122.4 r3-s222.4 r3-s322.4 r3-s422.4 r3-s522.4 r3-s623.223.2 r123.2 r1-s123.2 r1-s223.2 r223.2 r2-s123.2 r2-s223.2 r2-s323.423.4 r123.4 r1-s123.4 r1-s223.4 r223.4 r2-s123.4 r2-s223.4 r2-s324.224.2 r124.2 r1-s124.2 r1-s224.2 r224.424.4 r124.4 r2
Affected range stops below 22.2R3-S7, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.4R3-S7, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.2R2-S4, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.4R2-S4, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.2R2-S1, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.4R1-S2, 24.4R2, so it looks safe — our inference, not a vendor statement
Junos OS Evolved· Juniper Networks
60%
v < 22.4R3-S7-EVO23.2-EVO ≤ v < 23.2R2-S4-EVO23.4-EVO ≤ v < 23.4R2-S5-EVO24.2-EVO ≤ v < 24.2R2-S1-EVO24.4-EVO ≤ v < 24.4R2-EVO23.2-EVO23.4-EVO24.2-EVO24.4-EVO
Affected range stops below 22.4R3-S7-EVO, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.2R2-S4-EVO, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.4R2-S5-EVO, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.2R2-S1-EVO, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.4R2-EVO, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://supportportal.juniper.net/JSA100096

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMjuniper
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-140

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