CVE-2019-20790
CVSS V2 Medium 6.8
CVSS V3 Critical 9.8
Description
OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.
Overview
- CVE ID
- CVE-2019-20790
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-04-27T14:15:11
- Last Modified Date
- 2022-11-16T03:18:06
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:* | 1 | OR | 1.3.0 | 1.3.2 |
| cpe:2.3:a:trusteddomain:opendmarc:1.4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:pypolicyd-spf_project:pypolicyd-spf:2.0.2:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- 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://sourceforge.net/p/opendmarc/tickets/235/ | Exploit Third Party Advisory |
| https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816 | Exploit Third Party Advisory |
| https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf | Technical Description Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/ | |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-20790 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20790 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:14:17 | Added to TrackCVE | |||
| 2022-12-04 15:42:05 | 2020-04-27T14:15Z | 2020-04-27T14:15:11 | CVE Published Date | updated |
| 2022-12-04 15:42:05 | 2022-11-16T03:18:06 | CVE Modified Date | updated | |
| 2022-12-04 15:42:05 | Analyzed | Vulnerability Status | updated |