CVE-2020-11503
CVSS V2 High 7.5
CVSS V3 Critical 9.8
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.
Overview
- CVE ID
- CVE-2020-11503
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-06-18T16:15:13
- Last Modified Date
- 2020-06-23T20:06:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:* | 1 | OR | 17.5 | |
| cpe:2.3:o:sophos:sfos:17.5:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release10:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release11:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release6:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release7:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release8:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:sophos:sfos:17.5:maintenance_release9:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:sophos:xg_firewall:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://community.sophos.com/b/security-blog/posts/advisory-potential-rce-through-heap-overflow-in-awarrensmtp-cve-2020-11503 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-11503 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11503 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:42:09 | Added to TrackCVE | |||
| 2022-12-04 18:16:58 | 2020-06-18T16:15Z | 2020-06-18T16:15:13 | CVE Published Date | updated |
| 2022-12-04 18:16:58 | 2020-06-23T20:06:23 | CVE Modified Date | updated | |
| 2022-12-04 18:16:58 | Analyzed | Vulnerability Status | updated |