How severe is CVE-2008-3264?

CVE-2008-3264 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-3264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3264?

CVE-2008-3264 primarily affects Asterisk Asterisk Appliance Developer Kit. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3264?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-3264 published?

CVE-2008-3264 was published on 2008-07-24 and last updated on 2026-06-16.

CVE-2008-3264

CVE-2008-3264 is a high-severity vulnerability in Asterisk Asterisk Appliance Developer Kit with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Asterisk Asterisk Appliance Developer Kit
Published: 2008-07-24
Last modified: 2026-06-16

Description

The FWDOWNL firmware-download 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 Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.

Frequently asked questions

What is CVE-2008-3264?: The FWDOWNL firmware-download 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 Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.
How severe is CVE-2008-3264?: CVE-2008-3264 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-3264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3264?: CVE-2008-3264 primarily affects Asterisk Asterisk Appliance Developer Kit. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3264?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-3264 published?: CVE-2008-3264 was published on 2008-07-24 and last updated on 2026-06-16.

References

Affected products (118)

cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.4:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.5:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:0.8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:a:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:b2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0-beta7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0-beta8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c.1.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c.1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c.1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c1.8.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk_business_edition:c1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisknow:beta_5:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisknow:beta_6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisknow:beta_7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisknow:pre-release:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.0.3:*:*:*:*:*:*:*

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