Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2021-21994 CVE-2021-21995 |
CWE-ID | CWE-287 CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cloud Foundation Client/Desktop applications / Virtualization software |
Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU54814
Risk: High
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21994
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in SFCB (Small Footprint CIM Broker). A remote attacker can send specially crafted requests to port 5989/tcp, bypass SFCB authentication and gain unauthorized access to the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsCloud Foundation: 3.10 - 4.2.1
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0014.html
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: #VU54816
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21995
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing requests within the OpenSLP service. A remote attacker can send a specially crafted request to port 427/UDP, trigger a heap out-of-bounds read and perform a denial of service attack.
Install update from vendor's website.
Vulnerable software versionsCloud Foundation: 3.10 - 4.2.1
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0014.html
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.