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Asterisk vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Asterisk has 52 published vulnerabilities across 15 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Open Source, with 22. If you run Asterisk software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Asterisk products have the most vulnerabilities?

Open Source leads with 22 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. Open Source22
  2. Asterisk20
  3. Asterisknow13
  4. Asterisk Appliance Developer Kit13
  5. Certified Asterisk11
  6. Asterisk Business Edition11
  7. S800i7
  8. S800i Appliance6
  9. Zaptel3
  10. Digiumphones3
Published vulnerabilities
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. 32%
    CVE-2007-3764Medium

    The Skinny channel driver (chan_skinny) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows...

    CVSS5.0Published18 Jul 2007
  2. 28%
    CVE-2008-3263High

    The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance...

    CVSS7.8Published22 Jul 2008
  3. 27%
    CVE-2007-3763Medium

    The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows...

    CVSS5.0Published18 Jul 2007
  4. 25%
    CVE-2008-0095Medium

    The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition before C.1.0-beta8, AsteriskNOW before beta7, Appliance Developer Kit before Asterisk 1.4 revision 95946, and Appliance s800i 1.0.x...

    CVSS5.0Published8 Jan 2008
  5. 24%
    CVE-2007-2293High

    Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1)...

    CVSS7.6Published26 Apr 2007
  6. 15%
    CVE-2007-1561High

    The channel driver in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP INVITE message with an SDP containing one valid and one invalid IP address.

    CVSS7.8Published21 Mar 2007
  7. 12%
    CVE-2008-1289High

    Multiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3, Open Source 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6.1, AsteriskNOW 1.0.x before 1.0.2, Appliance Developer...

    CVSS7.5Published24 Mar 2008
  8. 7.3%
    CVE-2008-2119Medium

    Asterisk Open Source 1.0.x and 1.2.x before 1.2.29 and Business Edition A.x.x and B.x.x before B.2.5.3, when pedantic parsing (aka pedanticsipchecking) is enabled, allows remote attackers to cause a denial of service...

    CVSS4.3Published4 Jun 2008
  9. 5.5%
    CVE-2007-3762Critical

    Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0,...

    CVSS9.3Published18 Jul 2007
  10. 4.9%
    CVE-2021-37706High

    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
Every product

All Asterisk products we track.

15 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

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.

  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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Our catalogue lists 52 published vulnerabilities across 15 products and 577 versions from Asterisk.

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

Open Source, with 22 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Asterisk products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.

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