Horizon Daas vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited4 versions
The short answer

Horizon Daas is made by VMware. We track 4 published vulnerabilities in it, across 4 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 3 November 2021. If you run Horizon Daas, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Horizon Daas flaw added to the known-exploited list is CVE-2019-5544, on 3 November 2021. We keep watching the known-exploited list.

Versions

Which versions of Horizon Daas do the exploited flaws hit?

Each exploited flaw lists the versions it affects, usually as ranges. "8.0.0 to before 9.0.0.0" means from 8.0.0 up to, but not including, 9.0.0.0. Find your version, then patch.

  • CVE-2019-5544Exploited list, 3 Nov 2021

    VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

    8.0.0 to before 9.0.0.0
Known exploited

Which Horizon Daas vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 9.8
    CVE-2019-5544CriticalKnown exploited
    VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

    VMware ESXi and Horizon Desktop as a Service (DaaS) OpenSLP contains a heap-based buffer overflow vulnerability that allows an attacker with network access to port 427 to overwrite the heap of the OpenSLP service to...

    Chance of use97%Known exploited since3 Nov 2021
Exploit likelihood

Which Horizon Daas flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 97%
    CVE-2019-5544CriticalKnown exploited

    OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue.

    CVSS9.8Published6 Dec 2019
  2. 2.5%

    VMware Horizon DaaS (7.x before 8.0.0) contains a broken authentication vulnerability that may allow an attacker to bypass two-factor authentication.

    CVSS8.8Published20 Apr 2018
  3. 1.1%

    VMware Horizon DaaS before 7.0.0 contains a vulnerability that exists due to insufficient validation of data.

    CVSS5.5Published31 May 2017
  4. 1.0%

    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.

    CVSS6.5Published22 Sep 2020
Precursor Intelligence

Running Horizon Daas? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

Free plan, no card needed. Nothing to install.

FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 4 published vulnerabilities listed under the name Horizon Daas, across 4 versions. The most recent Horizon Daas flaw added to the known-exploited list is CVE-2019-5544, on 3 November 2021.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2019-5544.

Each flaw names its own versions, usually as ranges. The newest, CVE-2019-5544, affects 8.0.0 to before 9.0.0.0. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Horizon Daas. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.