Vulnerability in IBM Aix
CVE-2020-4788
IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.
EPSS: 0.004 (30.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Ibm Aix — versions 7.2.4, 7.1.0, 7.2
- Ibm Power9
- Ibm Vios — versions 3.1.1, 3.1.2, 3.1.0
- Oracle Communications_cloud_native_core_binding_support_function — versions 22.1.3
- Oracle Communications_cloud_native_core_network_exposure_function — versions 22.1.1
- Oracle Communications_cloud_native_core_policy — versions 22.2.0
- Fedoraproject Fedora — versions 32, 33
Public proof-of-concept exploits
References
- psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)
- psirt@us.ibm.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- psirt@us.ibm.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- psirt@us.ibm.com (x_refsource_FEDORA, vendor-advisory)
- psirt@us.ibm.com (x_refsource_FEDORA, vendor-advisory)
- psirt@us.ibm.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-4788?
- CVE-2020-4788 is a medium-severity vulnerability in IBM Aix. CVSS score: 4.7/10. Published 2020-11-20.
- How severe is CVE-2020-4788?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2020-4788 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.