Zimbra Collaboration Server vulnerabilitiesRanked by how likely they are to be used.

Product52 versions
The short answer

Zimbra Collaboration Server is made by Synacor. We track 5 published vulnerabilities in it, across 52 versions. None of them is on the list of flaws known to be exploited today. If you run Zimbra Collaboration Server, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Zimbra Collaboration Server vulnerabilities are being exploited?

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

None of Zimbra Collaboration Server's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Zimbra Collaboration Server 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. 2.5%

    Synacor Zimbra Collaboration before 8.0.9 allows plaintext command injection during STARTTLS.

    CVSS9.8Published27 Jan 2020
  2. 1.1%

    Zimbra Collaboration before 8.8.12 Patch 1 has persistent XSS.

    CVSS5.4Published27 Jan 2020
  3. 0.8%

    Synacor Zimbra Collaboration before 8.0.8 has XSS.

    CVSS6.1Published27 Jan 2020
  4. 0.8%

    Synacor Zimbra Collaboration Server 8.x before 8.7.0 has Reflected XSS in admin console.

    CVSS6.1Published30 May 2019
  5. 0.7%

    Zimbra Collaboration before 8.6.0 patch5 has XSS.

    CVSS5.4Published27 Jan 2020
Precursor Intelligence

Running Zimbra Collaboration Server? 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.

Something else? Talk to the team →

We track 5 published vulnerabilities listed under the name Zimbra Collaboration Server, across 52 versions.

None of Zimbra Collaboration Server's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Zimbra Collaboration Server. 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.