CVE-2020-11503

Summary

CVECVE-2020-11503
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-06-18 16:15:00 UTC
Updated2020-06-23 20:06:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Sophos Sfos All All All All
Operating System Sophos Sfos 17.5 - All All
Operating System Sophos Sfos 17.5 maintenance_release1 All All
Operating System Sophos Sfos 17.5 maintenance_release10 All All
Operating System Sophos Sfos 17.5 maintenance_release11 All All
Operating System Sophos Sfos 17.5 maintenance_release2 All All
Operating System Sophos Sfos 17.5 maintenance_release3 All All
Operating System Sophos Sfos 17.5 maintenance_release4 All All
Operating System Sophos Sfos 17.5 maintenance_release5 All All
Operating System Sophos Sfos 17.5 maintenance_release6 All All
Operating System Sophos Sfos 17.5 maintenance_release7 All All
Operating System Sophos Sfos 17.5 maintenance_release8 All All
Operating System Sophos Sfos 17.5 maintenance_release9 All All
Operating System Sophos Sfos All All All All
Operating System Sophos Sfos 17.5 - All All
Operating System Sophos Sfos 17.5 maintenance_release1 All All
Operating System Sophos Sfos 17.5 maintenance_release10 All All
Operating System Sophos Sfos 17.5 maintenance_release11 All All
Operating System Sophos Sfos 17.5 maintenance_release2 All All
Operating System Sophos Sfos 17.5 maintenance_release3 All All
Operating System Sophos Sfos 17.5 maintenance_release4 All All
Operating System Sophos Sfos 17.5 maintenance_release5 All All
Operating System Sophos Sfos 17.5 maintenance_release6 All All
Operating System Sophos Sfos 17.5 maintenance_release7 All All
Operating System Sophos Sfos 17.5 maintenance_release8 All All
Operating System Sophos Sfos 17.5 maintenance_release9 All All
Hardware Sophos Xg Firewall - All All All
Hardware Sophos Xg Firewall - All All All

References

ReferenceSourceLinkTags
Advisory: Potential RCE through heap overflow in awarrensmtp (CVE-2020-11503) - Community Security Blog - Sophos Community - Sophos Community CONFIRM community.sophos.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report