CVE-2025-8557

Unauthorized backend API access via alternate channel

Published Sep 11, 2025 · Updated Sep 11, 2025

Unprotected alternate channel in Lenovo XClarity Orchestrator before 2.2.0 allows attackers on the local network to access backend API services. Lenovo has not disclosed the affected component or how manipulation of a local device creates the alternate communication channel. The attacker needs access to a device on the local LXCO network segment; existing controls can limit interaction, but internal functionality or data can be reached.

CVSS severity8.7
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unprotected alternate channel in Lenovo XClarity Orchestrator before 2.2.0 allows attackers on the local network to access backend API services. Lenovo has not disclosed the affected component or how manipulation of a local device creates the alternate communication channel. The attacker needs access to a device on the local LXCO network segment; existing controls can limit interaction, but internal functionality or data can be reached.

The record

CVE
CVE-2025-8557
Published
Sep 11, 2025
Updated
Sep 11, 2025
Vendor
Lenovo
Product
XClarity Orchestrator
Classifications
CWE-420
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 11, 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 <2.2.0

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Lenovo · XClarity Orchestratorversion=0 <2.2.0

Published CVSS scores

8.7Lenovo Group Ltd.CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8Lenovo Group Ltd.CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-420Unprotected Alternate Channel

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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