CVE-2021-32558
CVSS v3
7.5
HIGH
EPSS Score
2.9 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.
Technical details
- Published
- 2021-07-30
Frequently asked questions
What is CVE-2021-32558?
An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.
Is CVE-2021-32558 actively exploited?
Active exploitation of CVE-2021-32558 has not been confirmed. The EPSS score is 2.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-32558?
CVE-2021-32558 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-32558 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).