CVE-2021-20815
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
Cross-site scripting vulnerability in Edit Boilerplate screen of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Overview
- CVE ID
- CVE-2021-20815
- Assigner
- vultures@jpcert.or.jp
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-26T02:15:11
- Last Modified Date
- 2021-09-01T18:20:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:* | 1 | OR | 1.44 | |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:* | 1 | OR | 1.44 | |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 1 | OR | 6.0 | 6.8.0 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 1 | OR | 7.0 | 7.8.0 |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* | 1 | OR | 7.0 | 7.8.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://movabletype.org/news/2021/08/mt-780-681-released.html | Release Notes Vendor Advisory |
| https://jvn.jp/en/jp/JVN97545738/index.html | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20815 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20815 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:08:00 | Added to TrackCVE | |||
| 2022-12-05 09:07:45 | 2021-08-26T02:15Z | 2021-08-26T02:15:11 | CVE Published Date | updated |
| 2022-12-05 09:07:45 | 2021-09-01T18:20:13 | CVE Modified Date | updated | |
| 2022-12-05 09:07:45 | Analyzed | Vulnerability Status | updated |