Risk | Low |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2021-21987 CVE-2021-21988 CVE-2021-21989 |
CWE-ID | CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
VMware Workstation Client/Desktop applications / Virtualization software VMware Horizon Client Client/Desktop applications / Software for system administration |
Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
Updated: 26.05.2021
Updated vulnerabilities #1-3.EUVDB-ID: #VU53431
Risk: Low
CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21987
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the Cortado ThinPrint component within the TTC parser. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Workstation: 16.0 - 16.1.1
VMware Horizon Client: 5.0 - 5.5.1
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0009.html
http://www.zerodayinitiative.com/advisories/ZDI-21-608/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU53432
Risk: Low
CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21988
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the Cortado ThinPrint component within the JPEG2000 parser. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Workstation: 16.0 - 16.1.1
VMware Horizon Client: 5.0 - 5.5.1
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0009.html
http://www.zerodayinitiative.com/advisories/ZDI-21-609/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU53433
Risk: Low
CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21989
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the Cortado ThinPrint component within the TTC parser. A remote attacker can trigger an out-of-bounds read error with a specially crafted font file and read contents of memory on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVMware Workstation: 16.0 - 16.1.1
VMware Horizon Client: 5.0 - 5.5.1
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0009.html
http://www.zerodayinitiative.com/advisories/ZDI-21-610/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.