CVE-2020-4352

Local privilege escalation in restricted mode

Published May 29, 2020 · Updated Sep 16, 2024

Privilege escalation in IBM MQ for HPE NonStop 8.0.4 and 8.1.0 allows local users to gain elevated access in restricted mode. IBM has not published the affected component or the incorrect operation that enables the escalation. Exploitation requires local access, restricted mode, and high attack complexity; the local user gains privileges beyond the restrictions imposed by that mode.

CVSS severity7.0
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in IBM MQ for HPE NonStop 8.0.4 and 8.1.0 allows local users to gain elevated access in restricted mode. IBM has not published the affected component or the incorrect operation that enables the escalation. Exploitation requires local access, restricted mode, and high attack complexity; the local user gains privileges beyond the restrictions imposed by that mode.

The record

CVE
CVE-2020-4352
Published
May 29, 2020
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM MQ for HPE NonStop
Classifications
T1068
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 29, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 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=8.0.4
  2. Affected versionversion=8.1.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM MQ for HPE NonStopversion=8.0.4; version=8.1.0

Published CVSS scores

4.3IBMCVSS:3.0/UI:N/S:U/AV:L/PR:N/A:L/AC:H/C:L/I:L/RC:C/RL:O/E:U
7.0NVDCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
4.9IBMCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
4.4NVDAV:L/AC:M/Au:N/C:P/I:P/A:P

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

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

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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