CVE-2021-3842
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
nltk is vulnerable to Inefficient Regular Expression Complexity
Overview
- CVE ID
- CVE-2021-3842
- Assigner
- security@huntr.dev
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-04T15:15:07
- Last Modified Date
- 2022-01-12T21:15:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:* | 1 | OR | 3.6.6 | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR |
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://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a | Exploit Issue Tracking Patch Third Party Advisory |
| https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3842 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3842 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:37:38 | Added to TrackCVE | |||
| 2022-12-06 05:39:25 | 2022-01-04T15:15Z | 2022-01-04T15:15:07 | CVE Published Date | updated |
| 2022-12-06 05:39:25 | 2022-01-12T21:15:39 | CVE Modified Date | updated | |
| 2022-12-06 05:39:25 | Analyzed | Vulnerability Status | updated |