7.5

CVE-2023-20900: debian debian_linux Authentication Bypass by Capture-replay

CVSS: 7.5v3.1HighModified
AliasesSUSE-SU-2023:3506-1SUSE-SU-2023:3507-1SUSE-SU-2023:3795-1
Published 31-08-2023Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2023-20900 is a high (CVSS 7.5) Authentication Bypass by Capture-replay vulnerability in debian debian_linux. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.46%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
DSA-5493-1SUSE-SU-2023:3504-1SUSE-SU-2023:3505-1

Timeline

  1. 31-08-2023
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html  in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.46%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

+0.21 pp

From 1.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse17 products
  • open-vm-tools&distro=SUSE Enterprise Storage 7.1< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=SUSE Linux Enterprise Micro 5.1< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=SUSE Linux Enterprise Micro 5.2< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
Redhat11 products
  • open-vm-tools< 0:11.0.0-4.el8_2.3 | < 0:10.3.10-3.el8_1.4 | < 0:11.2.0-2.el8_4.3 | < 0:11.0.5-3.el7_9.7 | < 0:11.3.5-1.el9_0.4 | < 0:11.3.5-1.el8_6.4 | < 0:12.1.5-2.el8_8.3 | < 0:12.1.5-1.el9_2.3 | < 0:10.3.0-2.el7_7.3
  • open-vm-tools-debuginfo< 0:11.0.0-4.el8_2.3 | < 0:10.3.10-3.el8_1.4 | < 0:11.2.0-2.el8_4.3 | < 0:11.0.5-3.el7_9.7 | < 0:11.3.5-1.el9_0.4 | < 0:11.3.5-1.el8_6.4 | < 0:12.1.5-2.el8_8.3 | < 0:12.1.5-1.el9_2.3 | < 0:10.3.0-2.el7_7.3
  • open-vm-tools-debugsource< 0:11.0.0-4.el8_2.3 | < 0:10.3.10-3.el8_1.4 | < 0:11.2.0-2.el8_4.3 | < 0:11.3.5-1.el9_0.4 | < 0:11.3.5-1.el8_6.4 | < 0:12.1.5-2.el8_8.3 | < 0:12.1.5-1.el9_2.3
  • open-vm-tools-desktop< 0:11.0.0-4.el8_2.3 | < 0:10.3.10-3.el8_1.4 | < 0:11.2.0-2.el8_4.3 | < 0:11.0.5-3.el7_9.7 | < 0:11.3.5-1.el9_0.4 | < 0:11.3.5-1.el8_6.4 | < 0:12.1.5-2.el8_8.3 | < 0:12.1.5-1.el9_2.3 | < 0:10.3.0-2.el7_7.3
  • open-vm-tools-desktop-debuginfo< 0:11.0.0-4.el8_2.3 | < 0:10.3.10-3.el8_1.4 | < 0:11.2.0-2.el8_4.3 | < 0:11.3.5-1.el9_0.4 | < 0:11.3.5-1.el8_6.4 | < 0:12.1.5-2.el8_8.3 | < 0:12.1.5-1.el9_2.3
Opensuse3 products
  • open-vm-tools&distro=openSUSE Leap 15.4< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=openSUSE Leap 15.5< 12.2.0-150300.33.1 | < 12.3.0-150300.37.1
  • open-vm-tools&distro=openSUSE Tumbleweed< 12.2.0-6.1
Debian2 products
  • open-vm-tools< 2:12.2.0-1+deb12u1 | < 2:12.3.0-1 | < 2:10.3.10-1+deb10u5
  • debian_linuxEOL10.0 | 11.0 | 12.0
Vmware2 products
Fedoraproject1 product
Netapp1 product
Ubuntu1 product
  • open-vm-tools< 2:11.3.0-2ubuntu0~ubuntu20.04.6 | < 2:12.1.5-3~ubuntu0.22.04.3 | < 2:10.2.0-3~ubuntu0.16.04.1+esm3 | < 2:11.0.5-4ubuntu0.18.04.3+esm2

8 vendors · 38 products

References

47 links
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