Medium severity · published Sep 22, 2020
CVE-2020-3977
VMware Horizon DaaS (7.x and 8.x before 8.0.1 Update 1) contains a broken authentication vulnerability due to a flaw in the way it handled the first factor authentication
6.5
CVSS
1%
EPSS
No
On KEV
Description
VMware Horizon DaaS (7.x and 8.x before 8.0.1 Update 1) contains a broken authentication vulnerability due to a flaw in the way it handled the first factor authentication. Successful exploitation of this issue may allow an attacker to bypass two-factor authentication process. In order to exploit this issue, an attacker must have a legitimate account on Horizon DaaS.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HD
Horizon Daas · Vmware
8.0.0 through 8.0.1; 7.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3977
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3977
Patch
https://www.vmware.com/security/advisories/VMSA-2020-0021.html
More from Horizon Daas
9.8
CVE-2019-5544
VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability
8.8
CVE-2018-6960
VMware Horizon DaaS (7.x before 8.0.0) contains a broken authentication vulnerability that may allow an attacker to bypass two-factor authentication
5.5
CVE-2017-4897
VMware Horizon DaaS before 7.0.0 contains a vulnerability that exists due to insufficient validation of data