CVE-2021-20837
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability.
Overview
- CVE ID
- CVE-2021-20837
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-26T06:15:06
- Last Modified Date
- 2021-11-28T23:11:45
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:* | 1 | OR | 1.46 | |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:* | 1 | OR | 1.46 | |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:*:*:* | 1 | OR | 4.0 | 6.3.11 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 1 | OR | 6.5.0 | 6.8.2 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* | 1 | OR | 6.5.0 | 6.8.2 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 1 | OR | 7.0 | 7.8.1 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* | 1 | OR | 7.0 | 7.8.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://jvn.jp/en/jp/JVN41119755/index.html | Third Party Advisory |
| https://movabletype.org/news/2021/10/mt-782-683-released.html | Release Notes Vendor Advisory |
| http://packetstormsecurity.com/files/164818/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html | Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/164705/Movable-Type-7-r.5002-XMLRPC-API-Remote-Command-Injection.html | Exploit Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20837 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20837 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:44:50 | Added to TrackCVE | |||
| 2022-12-05 13:15:46 | 2021-10-26T06:15Z | 2021-10-26T06:15:06 | CVE Published Date | updated |
| 2022-12-05 13:15:46 | 2021-11-28T23:11:45 | CVE Modified Date | updated | |
| 2022-12-05 13:15:46 | Analyzed | Vulnerability Status | updated |