CVE-2020-4788: IBM VIOS

IBM VIOS: IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain…

CVSS 5.1 MediumEPSS 0.0039 · 33rd percentile

Published by the CVE Program (CNA: ibm) at 20 Nov 2020, 03:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
IBM	VIOS	affected 3.1
IBM	AIX	affected 7.1 affected 7.2

Identifiers

CVE-2020-4788

CNA

ibm

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.1	Medium	3.0	CVSS:3.0/PR:N/C:H/AV:L/AC:H/S:U/A:N/I:N/UI:N/E:U/RC:C/RL:O	CNA (ibm)

CISA KEV Not listed.
EPSS 0.0039, the 33rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Nov 2020. New records show when each source confirmed them.

Sources

References from the CNA

www.ibm.com/support/pages/node/6370729 confirm
exchange.xforce.ibmcloud.com/vulnerabilities/189296 vdb-entryxf
www.openwall.com/lists/oss-security/2020/11/20/3 mailing-listmlist
www.openwall.com/lists/oss-security/2020/11/23/1 mailing-listmlist
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ vendor-advisoryfedora
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ vendor-advisoryfedora
www.oracle.com/security-alerts/cpujul2022.html

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.