Unix vulnerabilitiesRanked by how likely they are to be used.

Product14 versions
The short answer

Unix is made by Digital. We track 17 published vulnerabilities in it, across 14 versions. None of them is on the list of flaws known to be exploited today. If you run Unix, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Unix vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Unix 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. 71%

    ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service.

    CVSS5.0Published5 Jan 1998
  2. 4.0%

    Buffer overflow in cpqlogin.htm in web-enabled agents for various Compaq management software products such as Insight Manager and Management Agents allows remote attackers to execute arbitrary commands via a long...

    CVSS10.0Published12 Mar 2001
  3. 3.1%

    Telnet allows a remote client to specify environment variables including LD_LIBRARY_PATH, allowing an attacker to bypass the normal system libraries and gain root access.

    CVSS10.0Published13 Oct 1995
  4. 2.2%

    The ToolTalk ttsession daemon uses weak RPC authentication, which allows a remote attacker to execute commands.

    CVSS7.5Published13 Sep 1999
  5. 1.8%

    traceroute in NetBSD 1.3.3 and Linux systems allows local users to flood other systems by providing traceroute with a large waittime (-w) option, which is not parsed properly and sets the time delay for sending...

    CVSS5.0Published12 Mar 2001
  6. 1.8%

    traceroute in NetBSD 1.3.3 and Linux systems allows local unprivileged users to modify the source address of the packets, which could be used in spoofing attacks.

    CVSS5.0Published12 Mar 2001
  7. 1.3%

    kdebug daemon (kdebugd) in Digital Unix 4.0F allows remote attackers to read arbitrary files by specifying the full file name in the initialization packet.

    CVSS6.4Published14 Nov 2000
  8. 0.8%

    Buffer overflow in the AddSuLog function of the CDE dtaction utility allows local users to gain root privileges via a long user name.

    CVSS7.2Published13 Sep 1999
  9. 0.7%

    Buffer overflow in lpsched on DGUX version R4.20MU06 and MU02 allows a local attacker to obtain root access via a long command line argument (non-existent printer name).

    CVSS7.2Published27 Jun 2001
  10. 0.6%

    dxchpwd in Digital Unix (OSF/1) 3.x allows local users to modify arbitrary files via a symlink attack on the dxchpwd.log file.

    CVSS2.1Published17 Nov 1996
Precursor Intelligence

Running Unix? 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 17 published vulnerabilities listed under the name Unix, across 14 versions.

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

Create a Precursor Intelligence account and track Unix. 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.