CVE-2020-6920

Sensitive-data disclosure via unvalidated client token

Published Feb 16, 2022 · Updated Aug 4, 2024

Information disclosure in HP Support Assistant before 9.11 allows local users to read sensitive data through its local server API. The local API server accepts requests without validating the client token, exposing data intended for trusted Support Assistant clients. Exploitation requires local access and user interaction; published vectors report confidentiality loss without data modification or service interruption.

CVSS severity5.0
Medium
EPSS probability0.86%
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 HP Support Assistant before 9.11 allows local users to read sensitive data through its local server API. The local API server accepts requests without validating the client token, exposing data intended for trusted Support Assistant clients. Exploitation requires local access and user interaction; published vectors report confidentiality loss without data modification or service interruption.

The record

CVE
CVE-2020-6920
Published
Feb 16, 2022
Updated
Aug 4, 2024
Vendor
Plantronics
Product
HP Support Assistant
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 16, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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=before 9.11

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Plantronics · HP Support Assistantversion=before 9.11

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:P/I:N/A:N
5.0HP Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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