CVE-2020-20221
CVSS V2 Medium 6.8
CVSS V3 Medium 6.5
Description
Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.
Overview
- CVE ID
- CVE-2020-20221
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-21T15:15:12
- Last Modified Date
- 2022-10-26T18:56:07
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:* | 1 | OR | 6.44.6 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 6.8
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://cwe.mitre.org/data/definitions/400.html | Third Party Advisory |
| https://seclists.org/fulldisclosure/2020/May/30 | Mailing List Third Party Advisory |
| https://seclists.org/fulldisclosure/2021/May/1 | Exploit Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-20221 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20221 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:59:03 | Added to TrackCVE | |||
| 2022-12-05 06:33:04 | 2021-07-21T15:15Z | 2021-07-21T15:15:12 | CVE Published Date | updated |
| 2022-12-05 06:33:04 | 2022-10-26T18:56:07 | CVE Modified Date | updated | |
| 2022-12-05 06:33:04 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 06:33:08 | References | updated |