CVE-2020-3977

MEDIUMCVSS 6.5/10EPSS 0.96%

Last modified

CVE-2020-3977 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.96%

57.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VmwareHorizon Daas>= 8.0.0, <= 8.0.1
VmwareHorizon Daas7.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. 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.
How severe is CVE-2020-3977?
CVE-2020-3977 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2020-3977?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-3977?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST