Inn vulnerabilitiesRanked by how likely they are to be used.

Product16 versions
The short answer

Inn is made by Isc. We track 14 published vulnerabilities in it, across 16 versions. None of them is on the list of flaws known to be exploited today. If you run Inn, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Inn vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Inn 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. 45%

    Command execution via shell metachars in INN daemon (innd) 1.5 using "newgroup" and "rmgroup" control messages, and others.

    CVSS9.8Published4 Dec 1996
  2. 8.6%

    Buffer overflow in the ARTpost function in art.c in the control message handling code for INN 2.4.0 may allow remote attackers to execute arbitrary code.

    CVSS7.5Published3 Feb 2004
  3. 4.8%

    Buffer overflow in INN inews program.

    CVSS7.5Published1 Sep 1999
  4. 4.1%

    Format string vulnerabilities in (1) inews or (2) rnews for INN 2.2.3 and earlier allow local users and remote malicious NNTP servers to gain privileges via format string specifiers in NTTP responses.

    CVSS10.0Published12 Aug 2002
  5. 4.0%

    Buffer overflow in nnrpd program in INN up to version 1.6 allows remote users to execute arbitrary commands.

    CVSS7.5Published21 Jul 1997
  6. 3.7%

    Buffer overflow in innd 2.2.2 allows remote attackers to execute arbitrary commands via a cancel request containing a long message ID.

    CVSS3.6Published6 Feb 2000
  7. 3.2%

    The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command...

    CVSS6.8Published11 Nov 2012
  8. 2.8%

    Remote access in AIX innd 1.5.1, using control messages.

    CVSS10.0Published1 Jan 1997
  9. 2.7%

    The INN inndstart program allows local users to gain privileges by specifying an alternate configuration file using the INNCONF environmental variable.

    CVSS10.0Published11 May 1999
  10. 2.7%

    Buffer overflow in INN 2.2.1 and earlier allows remote attackers to cause a denial of service via a maliciously formatted article.

    CVSS5.0Published20 Oct 2000
Precursor Intelligence

Running Inn? 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.

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FAQ

Common questions, answered plainly.

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We track 14 published vulnerabilities listed under the name Inn, across 16 versions.

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

Create a Precursor Intelligence account and track Inn. 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.