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CVE-2015-3008

32
FAUCET Score

CVE-2015-3008 is a critical vulnerability affecting multiple versions of Asterisk Open Source and Certified Asterisk. It allows man-in-the-middle (MITM) attackers to spoof arbitrary SSL servers by exploiting a null byte handling flaw in the X.509 certificate's Common Name (CN) field during SIP TLS device registration. The vulnerability has a CVSS score of 4.3, indicating a medium severity, and allows for partial integrity impact with network access and medium attack complexity. Despite its potential for spoofing, there is no evidence of active exploitation, nor are there known public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
1.8.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
1.8.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
1.8.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
1.8.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
46.16%
Probability of exploitation in next 30 days
EPSS Percentile
98.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.4616 is in the 99th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

advisories.mageia.org / MGASA-2015-0153.html
downloads.asterisk.org / pub/security/AST-2015-003.html
Vendor Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-July/162260.html
packetstormsecurity.com / files/131364/Asterisk-Project-Security-Advisory-AST-2015-003.html
seclists.org / fulldisclosure/2015/Apr/22
debian.org / security/2016/dsa-3700
mandriva.com / security/advisories
securityfocus.com / archive/1/535222/100/0/threaded
securityfocus.com / bid/74022
securitytracker.com / id/1032052