CVE-2025-27258

Authenticated privilege escalation

Published Oct 13, 2025 · Updated Oct 13, 2025

Improper access control in Ericsson Network Manager before 25.1 allows remote authenticated users on an adjacent network to escalate privileges. Ericsson has not disclosed the affected component or the access-control operation that incorrectly authorizes the request. Exploitation requires adjacent-network access and an existing low-privilege account; the reported consequence is elevated access to confidential data.

CVSS severity6.9
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Ericsson Network Manager before 25.1 allows remote authenticated users on an adjacent network to escalate privileges. Ericsson has not disclosed the affected component or the access-control operation that incorrectly authorizes the request. Exploitation requires adjacent-network access and an existing low-privilege account; the reported consequence is elevated access to confidential data.

The record

CVE
CVE-2025-27258
Published
Oct 13, 2025
Updated
Oct 13, 2025
Vendor
Ericsson
Product
Ericsson Network Manager
Classifications
CWE-284, T1068
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 13, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <25.1 changes=[{"at":"Version 25.1 or later","status":"unaffected"}]

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Ericsson · Ericsson Network Managerversion=0 <25.1 changes=[{"at":"Version 25.1 or later","status":"unaffected"}]

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.9EricssonCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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