Unity Server vulnerabilitiesRanked by how likely they are to be used.

Product11 versions
The short answer

Unity Server is made by Cisco. We track 4 published vulnerabilities in it, across 11 versions. None of them is on the list of flaws known to be exploited today. If you run Unity Server, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Unity Server vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Unity 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. 83%

    Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with...

    CVSS5.0Published31 May 2005
  2. 2.5%

    Cisco Unity 2.x, 3.x, and 4.x, when integrated with Microsoft Exchange, has several hard coded usernames and passwords, which allows remote attackers to gain unauthorized access and change configuration settings or...

    CVSS7.5Published15 Dec 2004
  3. 1.6%

    Cisco Unity 2.x and 3.x uses well-known default user accounts, which could allow remote attackers to gain access and place arbitrary calls.

    CVSS7.5Published28 Oct 2002
  4. 0.4%

    The default configuration of Cisco Unity 2.x and 3.x does not block international operator calls in the predefined restriction tables, which could allow authenticated users to place international calls using call...

    CVSS4.6Published11 Oct 2002
Precursor Intelligence

Running Unity 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 4 published vulnerabilities listed under the name Unity Server, across 11 versions.

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

Create a Precursor Intelligence account and track Unity 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.