Fxos vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited84 versions
The short answer

Fxos is made by Cisco. We track 9 published vulnerabilities in it, across 84 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 10 December 2021. If you run Fxos, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Fxos flaw added to the known-exploited list is CVE-2021-44228, on 10 December 2021. We keep watching the known-exploited list.

Versions

Which versions of Fxos do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

  • CVE-2021-44228Exploited list, 10 Dec 2021

    Apache Log4j2 Remote Code Execution Vulnerability

    6.2.36.3.06.4.06.5.06.6.06.7.07.0.07.1.0
Known exploited

Which Fxos 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. 10.0
    CVE-2021-44228CriticalKnown exploited
    Apache Log4j2 Remote Code Execution Vulnerability

    Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.

    Chance of use>99%Known exploited since10 Dec 2021
Exploit likelihood

Which Fxos 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. 7.2%

    A vulnerability in the process of uploading new application images to Cisco FXOS on the Cisco Firepower 4100 Series Next-Generation Firewall (NGFW) and Firepower 9300 Security Appliance could allow an authenticated,...

    CVSS7.2Published21 Jun 2018
  2. 4.5%

    A vulnerability in the authentication, authorization, and accounting (AAA) implementation of Cisco Firepower Extensible Operating System (FXOS) and NX-OS System Software could allow an unauthenticated, remote...

    CVSS8.6Published19 Oct 2017
  3. 1.6%

    A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an...

    CVSS6.5Published5 Feb 2020
  4. 0.6%

    A vulnerability in the Cisco Discovery Protocol (formerly known as CDP) subsystem of devices running, or based on, Cisco NX-OS Software contain a vulnerability that could allow an unauthenticated, adjacent attacker...

    CVSS6.5Published21 Jun 2018
  5. 0.5%

    A vulnerability in the local management (local-mgmt) CLI of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating...

    CVSS7.8Published26 Feb 2020
  6. 0.4%

    A vulnerability in the write-erase feature of Cisco FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to configure an unauthorized administrator account for an affected device.

    CVSS6.7Published20 Jun 2018
  7. 0.4%

    A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated,...

    CVSS7.4Published23 Sep 2021
  8. 0.1%

    A vulnerability in the backup configuration feature of Cisco UCS Manager Software and in the configuration export feature of Cisco FXOS Software could allow an unauthenticated attacker with access to a backup file to...

    CVSS6.5Published23 Feb 2023
Precursor Intelligence

Running Fxos? 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.

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FAQ

Common questions, answered plainly.

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We track 9 published vulnerabilities listed under the name Fxos, across 84 versions. The most recent Fxos flaw added to the known-exploited list is CVE-2021-44228, on 10 December 2021.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2021-44228.

Each flaw names its own versions, usually as ranges. The newest, CVE-2021-44228, affects 6.2.3, 6.3.0, 6.4.0, 6.5.0 and more. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Fxos. 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.