Asterisk vulnerabilitiesRanked by how likely they are to be used.

Product216 versions
The short answer

Asterisk is made by Sangoma. We track 21 published vulnerabilities in it, across 216 versions. None of them is on the list of flaws known to be exploited today. If you run Asterisk, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Asterisk vulnerabilities are being exploited?

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

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

Exploit likelihood

Which Asterisk 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. 6.7%

    An issue was discovered in Asterisk Open Source 15.x before 15.4.1.

    CVSS6.5Published12 Jun 2018
  2. 4.9%

    PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE.

    CVSS7.3Published22 Dec 2021
  3. 4.4%

    PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE.

    CVSS9.1Published27 Jan 2022
  4. 4.0%

    PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE.

    CVSS8.1Published22 Feb 2022
  5. 3.6%

    Incomplete blacklist vulnerability in main/manager.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert6, Asterisk Digiumphones 10.x.x-digiumphones...

    CVSS9.0Published31 Aug 2012
  6. 2.7%

    A memory exhaustion vulnerability exists in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1 and Certified Asterisk 13.13 before 13.13-cert4, which can be triggered by sending specially crafted SCCP...

    CVSS7.5Published2 Jun 2017
  7. 2.1%

    chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to...

    CVSS4.0Published2 Jun 2012
  8. 1.9%

    A res_pjsip_session crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1.

    CVSS5.3Published6 Nov 2020
  9. 1.5%

    An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5.

    CVSS6.5Published6 Nov 2020
Precursor Intelligence

Running Asterisk? 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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  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
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FAQ

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We track 21 published vulnerabilities listed under the name Asterisk, across 216 versions.

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

Create a Precursor Intelligence account and track Asterisk. 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.