CVE-2012-3863

mediumpriority · track · 17EPSS 0.032 · 88 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.20% (88th) EPSS

CVSS 4 · medium

Is it mine?

54 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.

cvss

Technical severity, 0–10. One row per scoring source.

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (54)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
digium asterisk= 1.8.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.11.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.11.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.13.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.4nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*

showing 20 of 54

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-07-09modified 2026-06-16

related (3,726)

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+3721 more

references (14)

External citations — patches, advisories, analysis.

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