CVE-2019-20104
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.
Overview
- CVE ID
- CVE-2019-20104
- Assigner
- security@atlassian.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-02-06T03:15:10
- Last Modified Date
- 2022-01-01T19:56:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.2.11 | |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.3.0 | 3.3.8 |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.4.0 | 3.4.7 |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.5.0 | 3.5.2 |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.6.0 | 3.6.2 |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.6.3 | 3.7.1 |
| cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* | 1 | OR | 3.7.2 | 4.0.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://jira.atlassian.com/browse/CWD-5526 | Vendor Advisory |
| https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/ | Exploit Technical Description |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-20104 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20104 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:39:33 | Added to TrackCVE | |||
| 2022-12-04 10:43:44 | 2020-02-06T03:15Z | 2020-02-06T03:15:10 | CVE Published Date | updated |
| 2022-12-04 10:43:44 | 2022-01-01T19:56:39 | CVE Modified Date | updated | |
| 2022-12-04 10:43:44 | Analyzed | Vulnerability Status | updated |