CVE-2020-8903

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

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 24.2% of scored records. A rank, not a probability.

NVD base score

7.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2020-06-22 13:45Z6 YR AGO

Last updated

2024-08-04 10:12Z2 YR AGO

Reserved

2020-02-12

Assigning CNA

Google

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Weaknesses

• CWE-276Incorrect Default PermissionsBase

Data version

5.1

Document digest

b4a8dc5cdd44c3dbaaf07c5729c74506001fb985899a8f99683da60cfe3378b0

• github.comhttps://github.com/GoogleCloudPlatform/guest-oslogin/pull/29x_refsource_CONFIRM
• gitlab.comhttps://gitlab.com/gitlab-com/gl-security/gl-redteam/red-team-tech-notes/-/tree/master/oslogin-privesc-june-2020x_refsource_MISC
• cloud.google.comhttps://cloud.google.com/support/bulletins/#gcp-2020-008x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2020:0996http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00037.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1014http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00047.htmlvendor-advisoryx_refsource_SUSE