Email Security Appliance Firmware vulnerabilitiesRanked by how likely they are to be used.

Product109 versions
The short answer

Email Security Appliance Firmware is made by Cisco. We track 32 published vulnerabilities in it, across 109 versions. None of them is on the list of flaws known to be exploited today. If you run Email Security Appliance Firmware, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Email Security Appliance Firmware vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Email Security Appliance Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Email Security Appliance Firmware 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. 3.6%

    Cisco IronPort AsyncOS 9.1.2-023, 9.1.2-028, 9.1.2-036, 9.7.2-046, 9.7.2-047, 9.7.2-054, 10.0.0-124, and 10.0.0-125 on Email Security Appliance (ESA) devices, when Enrollment Client before 1.0.2-065 is installed,...

    CVSS9.8Published22 Sep 2016
  2. 3.5%

    The web framework in IronPort AsyncOS on Cisco Web Security Appliance devices before 7.1.3-013, 7.5 before 7.5.0-838, and 7.7 before 7.7.0-550; Email Security Appliance devices before 7.1.5-104, 7.3 before 7.3.2-026,...

    CVSS9.0Published27 Jun 2013
  3. 3.1%

    A vulnerability in the email parsing module Clam AntiVirus (ClamAV) Software versions 0.102.0, 0.101.4 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected...

    CVSS6.5Published15 Jan 2020
  4. 2.7%

    The management GUI in the web framework in IronPort AsyncOS on Cisco Web Security Appliance devices before 7.1.3-013, 7.5 before 7.5.0-838, and 7.7 before 7.7.0-602; Email Security Appliance devices before 7.1.5-106...

    CVSS7.8Published27 Jun 2013
  5. 2.7%

    The End User Safelist/Blocklist (aka SLBL) service in Cisco AsyncOS Software for Email Security Appliance (ESA) before 7.6.3-023 and 8.x before 8.0.1-023 and Cisco Content Security Management Appliance (SMA) before...

    CVSS8.5Published21 Mar 2014
  6. 2.4%

    Cross-site scripting (XSS) vulnerability in the web management interface in Cisco AsyncOS on the Email Security Appliance (ESA) 8.0, Web Security Appliance (WSA) 8.0 (.5 Hot Patch 1) and earlier, and Content Security...

    CVSS4.3Published10 Jun 2014
  7. 2.4%

    Cisco AsyncOS on Email Security Appliance (ESA) devices with software 8.5.6-073, 8.5.6-074, and 9.0.0-461, when clustering is enabled, allows remote attackers to cause a denial of service (clustering and SSH outage)...

    CVSS4.3Published10 Jul 2015
  8. 2.3%

    A vulnerability in the Secure/Multipurpose Internet Mail Extensions (S/MIME) Decryption and Verification or S/MIME Public Key Harvesting features of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA)...

    CVSS8.6Published10 Jan 2019
  9. 2.2%

    A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured...

    CVSS5.8Published3 Feb 2017
  10. 2.2%

    A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass content filters configured on an affected...

    CVSS7.5Published19 Nov 2016
Precursor Intelligence

Running Email Security Appliance Firmware? 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

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We track 32 published vulnerabilities listed under the name Email Security Appliance Firmware, across 109 versions.

None of Email Security Appliance Firmware's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Email Security Appliance Firmware. 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.