CVE-2007-4521

mediumpriority · track · 21EPSS 0.030 · 87 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.00% (87th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an "invalid/corrupted" MIME body, which triggers a crash when the recipient listens to voicemail.

cvss

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

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
asterisk asterisk= 1.4.10nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.11nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.5nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.6nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.7nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.8nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*
asterisk asterisk= 1.4.9nvdUScpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2007-08-28modified 2026-06-16

references (18)

External citations — patches, advisories, analysis.

scry

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