CVE-2020-8355Network attack vector

Credential disclosure via FFDC service-log capture

Published Feb 10, 2021 · Updated Sep 17, 2024

Information disclosure in Lenovo XClarity Administrator before 3.1.0 allows remote authenticated users to read Windows OS credentials. During managed-endpoint driver updates, the FFDC service writes supplied Windows credentials into a generated service log. A privileged XClarity Administrator user must request the log while an update is running, and only that requester can access it before deletion.

CVSS severity4.9
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Lenovo XClarity Administrator before 3.1.0 allows remote authenticated users to read Windows OS credentials. During managed-endpoint driver updates, the FFDC service writes supplied Windows credentials into a generated service log. A privileged XClarity Administrator user must request the log while an update is running, and only that requester can access it before deletion.

The record

CVE
CVE-2020-8355
Published
Feb 10, 2021
Updated
Sep 17, 2024
Vendor
Lenovo
Product
XClarity Administrator
Classifications
CWE-319, T1552.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 10, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record 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=unspecified <3.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Lenovo · XClarity Administratorversion=unspecified <3.1.0

Published CVSS scores

4.0NISTAV:N/AC:L/Au:S/C:P/I:N/A:N
4.9Lenovo Group Ltd.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A: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.

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)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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