CVE-2020-11503: Buffer Overflow
First published: Thu Jun 18 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sophos SFOS | <17.5 | |
| Sophos SFOS | =17.5 | |
| Sophos SFOS | =17.5-maintenance_release1 | |
| Sophos SFOS | =17.5-maintenance_release10 | |
| Sophos SFOS | =17.5-maintenance_release11 | |
| Sophos SFOS | =17.5-maintenance_release2 | |
| Sophos SFOS | =17.5-maintenance_release3 | |
| Sophos SFOS | =17.5-maintenance_release4 | |
| Sophos SFOS | =17.5-maintenance_release5 | |
| Sophos SFOS | =17.5-maintenance_release6 | |
| Sophos SFOS | =17.5-maintenance_release7 | |
| Sophos SFOS | =17.5-maintenance_release8 | |
| Sophos SFOS | =17.5-maintenance_release9 | |
| Sophos XG Firewall |
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Reference Links
Frequently Asked Questions
What is CVE-2020-11503?
CVE-2020-11503 is a heap-based buffer overflow vulnerability in the awarrensmtp component of Sophos XG Firewall v17.5 MR11 and older.
How severe is CVE-2020-11503?
CVE-2020-11503 has a severity rating of 9.8 (critical).
What software is affected by CVE-2020-11503?
Sophos XG Firewall v17.5 MR11 and older versions are affected by CVE-2020-11503.
How can an attacker exploit CVE-2020-11503?
An attacker can exploit CVE-2020-11503 by running arbitrary code remotely.
Where can I find more information about CVE-2020-11503?
You can find more information about CVE-2020-11503 at the following link: https://community.sophos.com/b/security-blog/posts/advisory-potential-rce-through-heap-overflow-in-awarrensmtp-cve-2020-11503
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- canonical/sophos sfos
- version/sophos sfos/17.5
- version/sophos sfos/17.5-maintenance_release1
- version/sophos sfos/17.5-maintenance_release10
- version/sophos sfos/17.5-maintenance_release11
- version/sophos sfos/17.5-maintenance_release2
- version/sophos sfos/17.5-maintenance_release3
- version/sophos sfos/17.5-maintenance_release4
- version/sophos sfos/17.5-maintenance_release5
- version/sophos sfos/17.5-maintenance_release6
- version/sophos sfos/17.5-maintenance_release7
- version/sophos sfos/17.5-maintenance_release8
- version/sophos sfos/17.5-maintenance_release9
- canonical/sophos xg firewall