CVE-2020-27782
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
Overview
- CVE ID
- CVE-2020-27782
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-23T19:15:13
- Last Modified Date
- 2021-02-27T03:34:42
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:redhat:jboss_fuse:6.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:undertow:2.0.33:sp2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:undertow:2.1.5:sp1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:undertow:2.2.3:sp1:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
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://bugzilla.redhat.com/show_bug.cgi?id=1901304 | Issue Tracking Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27782 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27782 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:21:26 | Added to TrackCVE | |||
| 2022-12-05 22:39:36 | 2021-02-23T19:15Z | 2021-02-23T19:15:13 | CVE Published Date | updated |
| 2022-12-05 22:39:36 | 2021-02-27T03:34:42 | CVE Modified Date | updated | |
| 2022-12-05 22:39:36 | Analyzed | Vulnerability Status | updated |