What’s Vulnerable › Vulnerabilities

CVE-2021-32611

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-12 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer dereference vulnerability exists in eXcall_api.c in Antisip eXosip2 through 5.2.0 when handling certain 3xx redirect responses.

Affected products

• Antisip Exosip2: through 5.2.0

References

• http://git.savannah.nongnu.org/cgit/exosip.git/commit/?id=f2ed389fe84613512cc560127883e51e6cf8c054
• http://git.savannah.nongnu.org/cgit/exosip.git/commit/?id=f2ed389fe84613512cc560127883e51e6cf8c054

Get alerted when CVE-2021-32611 or the next vulnerability affects your stack