The design of the dialplan functionality in Asterisk Open Source 1.2.x, 1.4.x, and 1.6.x; and Asterisk Business Edition B.x.x and C.x.x, when using the ${EXTEN} channel variable and wildcard pattern matches, allows context-dependent attackers to inject strings into the dialplan using metacharacters that are injected when the variable is expanded, as demonstrated using the Dial application to process a crafted SIP INVITE message that adds an unintended outgoing channel leg. NOTE: it could be argued that this is not a vulnerability in Asterisk, but a class of vulnerabilities that can occur in any program that uses this feature without the associated filtering functionality that is already available.
Published 2010-02-23 20:30:01
Updated 2018-10-10 19:53:22
Source MITRE
View at NVD,   CVE.org

Threat overview for CVE-2010-0685

Top countries where our scanners detected CVE-2010-0685
Top open port discovered on systems with this issue 80
IPs affected by CVE-2010-0685 19
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2010-0685

0.65%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2010-0685

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST

References for CVE-2010-0685

Products affected by CVE-2010-0685

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