CVE-2020-28368

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 33.7% of scored records. A rank, not a probability.

NVD base score

4.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-11-10 18:17Z5 YR AGO

Last updated

2024-08-04 16:33Z2 YR AGO

Reserved

2020-11-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-862Missing AuthorizationClass
• CWE-205Observable Behavioral DiscrepancyBase

Data version

5.1

Document digest

2eeb06c3015782e5fdc753f65127f25034cc939acef09c6083e150a5dd7722ae

• xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-351.htmlx_refsource_MISC
• platypusattack.comhttps://platypusattack.comx_refsource_MISC
• www.zdnet.comhttps://www.zdnet.com/article/new-platypus-attack-can-steal-data-from-intel-cpus/x_refsource_MISC
• xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-351.htmlx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2020-2684e0faddhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XV23EZIMNLJN4YXRRXLQV2ALW6ZEALXV/vendor-advisoryx_refsource_FEDORA
• www.openwall.com[oss-security] 20201126 Xen Security Advisory 351 v2 (CVE-2020-28368) - Information leak via power sidechannelhttp://www.openwall.com/lists/oss-security/2020/11/26/1mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2020-d71fa5f0b9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5J66QUUHXH2RR4CNCKQRGVXVSOUFRPDA/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-4804https://www.debian.org/security/2020/dsa-4804vendor-advisoryx_refsource_DEBIAN