high
7.5
CWE
294
Advisory Published
Updated

CVE-2023-20900: [Security Advisory] open-vm-tools: SAML token signature bypass vulnerability (CVE-2023-20900)

First published: Thu Aug 31 2023(Updated: )

VMware Tools could allow a remote attacker to bypass security restrictions, caused by improper SAML token signature verification. By utilize man-in-the-middle attack techniques, an attacker could exploit this vulnerability to perform VMware Tools Guest Operations

Credit: security@vmware.com security@vmware.com security@vmware.com

Affected SoftwareAffected VersionHow to fix
debian/open-vm-tools<=2:12.2.5-1<=2:12.2.0-1<=2:11.2.5-2
2:12.3.0-1
2:12.2.0-1+deb12u1
2:11.2.5-2+deb11u2
IBM QRadar SIEM<=7.5 - 7.5.0 UP7
All of
VMware Tools>=10.3.0<12.3.0
Microsoft Windows
All of
VMware Tools>=10.3.0<10.3.26
Linux Linux kernel
All of
Vmware Open Vm Tools>=10.3.0<12.3.0
Linux Linux kernel
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
NetApp ONTAP Select Deploy administration utility
All of
VMware Tools>=10.3.0<12.3.0
Microsoft Windows
All of
VMware Tools>=10.3.0<10.3.26
Linux Linux kernel
All of
Vmware Open Vm Tools>=10.3.0<12.3.0
Linux Linux kernel
VMware Tools>=10.3.0<12.3.0
Microsoft Windows
VMware Tools>=10.3.0<10.3.26
Linux Linux kernel
Vmware Open Vm Tools>=10.3.0<12.3.0
debian/open-vm-tools<=2:10.3.10-1+deb10u2
2:10.3.10-1+deb10u6
2:11.2.5-2+deb11u2
2:11.2.5-2+deb11u3
2:12.2.0-1+deb12u2
2:12.3.5-4
ubuntu/open-vm-tools<2:11.0.5-4ubuntu0.18.04.3+
2:11.0.5-4ubuntu0.18.04.3+
ubuntu/open-vm-tools<12.3.0
12.3.0
ubuntu/open-vm-tools<2:11.3.0-2ubuntu0~ubuntu20.04.6
2:11.3.0-2ubuntu0~ubuntu20.04.6
ubuntu/open-vm-tools<2:12.1.5-3~ubuntu0.22.04.3
2:12.1.5-3~ubuntu0.22.04.3
ubuntu/open-vm-tools<2:12.1.5-3ubuntu0.23.04.2
2:12.1.5-3ubuntu0.23.04.2
ubuntu/open-vm-tools<2:10.2.0-3~ubuntu0.16.04.1+
2:10.2.0-3~ubuntu0.16.04.1+
ubuntu/open-vm-tools<2:12.2.5-1ubuntu1
2:12.2.5-1ubuntu1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this security advisory?

    The vulnerability ID of this security advisory is CVE-2023-20900.

  • What is the severity of CVE-2023-20900?

    CVE-2023-20900 has a severity value of 7.5, which is classified as high.

  • What is the affected software for CVE-2023-20900?

    The affected software for CVE-2023-20900 includes open-vm-tools with various versions.

  • How can I fix the vulnerability CVE-2023-20900?

    To fix CVE-2023-20900, make sure to update open-vm-tools to the recommended versions provided by the software vendor.

  • Where can I find more information about CVE-2023-20900?

    More information about CVE-2023-20900 can be found at the following references: [link1], [link2], [link3].

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