Heap-Based Buffer Overflow in Sophos XG Firewall
CVE-2020-11503

9.8CRITICAL

Key Information:

Vendor

Sophos
Status
Sfos
Vendor
CVE Published:
18 June 2020

What is CVE-2020-11503?

A heap-based buffer overflow vulnerability exists in the awarrensmtp component of Sophos XG Firewall. This issue could allow an attacker to execute arbitrary code on the affected system remotely, posing a significant security risk. Users are advised to upgrade to the latest version to mitigate this vulnerability. More details can be found in the advisory linked below.

References

https://community.sophos.com/b/security-blog/posts/adviso...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.