Is CVE-2020-11503 actively exploited?

CVE-2020-11503 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-11503?

CVE-2020-11503 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-11503?

Patch guidance is available from sophos security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-11503.

Fix CVE-2020-11503 - CRITICAL sophos sfos

Q: Which products are affected by CVE-2020-11503?

13 products: sophos sfos, sophos sfos, sophos sfos, sophos sfos, sophos sfos, and 8 more.

Description

A heap-based buffer overflow in the awarrensmtp component of Sophos XG Firewall v17.5 MR11 and older potentially allows an attacker to run arbitrary code remotely.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: SOPHOS
Published: 6/18/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

sophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfossophos : sfos

Remediation Guidance

Executive Summary

View on NIST NVD