CVE-2020-26137
CVSS V2 Medium 6.4
CVSS V3 Medium 6.5
Description
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
Overview
- CVE ID
- CVE-2020-26137
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-30T18:15:26
- Last Modified Date
- 2023-01-31T21:36:43
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:python:urllib3:*:*:*:*:*:*:*:* | 1 | OR | 1.25.9 | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 2.5
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.python.org/issue39603 | Issue Tracking Vendor Advisory |
| https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b | Patch Third Party Advisory |
| https://github.com/urllib3/urllib3/pull/1800 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4570-1/ | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html | |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-26137 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26137 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:42:46 | Added to TrackCVE | |||
| 2022-12-04 23:33:30 | 2020-09-30T18:15Z | 2020-09-30T18:15:26 | CVE Published Date | updated |
| 2022-12-04 23:33:30 | 2022-07-25T18:15:20 | CVE Modified Date | updated | |
| 2022-12-04 23:33:30 | Undergoing Analysis | Vulnerability Status | updated | |
| 2022-12-04 23:33:34 | References | updated | ||
| 2023-02-01 00:11:50 | 2023-01-31T21:36:43 | CVE Modified Date | updated | |
| 2023-02-01 00:11:51 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |