CVE-2020-7695
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.
Overview
- CVE ID
- CVE-2020-7695
- Assigner
- report@snyk.io
- Vulnerability Status
- Analyzed
- Published Version
- 2020-07-27T12:15:11
- Last Modified Date
- 2023-01-31T17:26:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:encode:uvicorn:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- 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:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471 | Exploit Third Party Advisory |
| https://github.com/encode/uvicorn | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-7695 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7695 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:39:06 | Added to TrackCVE | |||
| 2022-12-04 20:15:28 | 2020-07-27T12:15Z | 2020-07-27T12:15:11 | CVE Published Date | updated |
| 2022-12-04 20:15:28 | 2020-07-29T19:15:15 | CVE Modified Date | updated | |
| 2022-12-04 20:15:28 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-31 21:10:22 | 2023-01-31T17:26:01 | CVE Modified Date | updated | |
| 2023-01-31 21:10:22 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |