CVE-2021-3828
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
nltk is vulnerable to Inefficient Regular Expression Complexity
Overview
- CVE ID
- CVE-2021-3828
- Assigner
- security@huntr.dev
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-27T13:15:07
- Last Modified Date
- 2022-04-25T18:18:14
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:* | 1 | OR | 3.6.3 |
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/d19aed43-75bc-4a03-91a0-4d0bb516bc32 | Exploit Patch Third Party Advisory |
| https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6 | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3828 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3828 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:47 | Added to TrackCVE | |||
| 2022-12-05 11:19:33 | 2021-09-27T13:15Z | 2021-09-27T13:15:07 | CVE Published Date | updated |
| 2022-12-05 11:19:33 | 2022-04-25T18:18:14 | CVE Modified Date | updated | |
| 2022-12-05 11:19:33 | Analyzed | Vulnerability Status | updated |