CVE-2021-20811

Cross-site scripting vulnerability in List of Assets 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.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://jvn.jp/en/jp/JVN97545738/index.html	Third Party Advisory
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
https://movabletype.org/news/2021/08/mt-780-681-released.html	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:sixapart:movable_type:::::premium:::*
	cpe:2.3:a:sixapart:movable_type:::::premium_advanced:::*
	cpe:2.3:a:sixapart:movable_type:::::-:::*
	cpe:2.3:a:sixapart:movable_type:::::-:::*
	cpe:2.3:a:sixapart:movable_type:::::advanced:::*

History

21 Nov 2024, 05:47

Type	Values Removed	Values Added
References	~~() https://jvn.jp/en/jp/JVN97545738/index.html - Third Party Advisory~~	() https://jvn.jp/en/jp/JVN97545738/index.html - Third Party Advisory
References	~~() https://movabletype.org/news/2021/08/mt-780-681-released.html - Release Notes, Vendor Advisory~~	() https://movabletype.org/news/2021/08/mt-780-681-released.html - Release Notes, Vendor Advisory

Information

Published : 2021-08-26 02:15

Updated : 2024-11-21 05:47

NVD link : CVE-2021-20811

Mitre link : CVE-2021-20811

CVE.ORG link : CVE-2021-20811

JSON object : View

Products Affected

sixapart

movable_type

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-20811", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2021-08-26T02:15:11.497", "references": [{"url": "https://jvn.jp/en/jp/JVN97545738/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://movabletype.org/news/2021/08/mt-780-681-released.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://jvn.jp/en/jp/JVN97545738/index.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://movabletype.org/news/2021/08/mt-780-681-released.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Cross-site scripting vulnerability in List of Assets 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."}, {"lang": "es", "value": "Una vulnerabilidad de tipo cross-site scripting en la pantalla List of Assets de Movable Type (Movable Type 7 versiones r.4903 y anteriores (Movable Type 7 Series), Movable Type versiones 6.8.0 y anteriores (Movable Type 6 Series), Movable Type Advanced 7 versiones r.4903 y anteriores (Movable Type Advanced 7 Series), Movable Type Premium versiones 1.44 y anteriores, y Movable Type Premium Advanced versiones 1.44 y anteriores), permite a atacantes remotos inyectar script arbitrario o HTML por medio de vectores no especificados."}], "lastModified": "2024-11-21T05:47:13.720", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:*", "vulnerable": true, "matchCriteriaId": "9ED3A1ED-558E-4783-8BCA-47BB68E92D9D", "versionEndIncluding": "1.44"}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:*", "vulnerable": true, "matchCriteriaId": "69B0E270-7BF7-4B9F-974B-B71B11788D5E", "versionEndIncluding": "1.44"}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "7BA76A65-0518-40F0-AE15-4EE416911E27", "versionEndIncluding": "6.8.0", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "D37106C9-92CD-44A8-A80B-57754207AE80", "versionEndExcluding": "7.8.0", "versionStartIncluding": "7.0"}, {"criteria": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*", "vulnerable": true, "matchCriteriaId": "5CA5A16F-B42D-4DC7-B9A0-5CA49B05DA7B", "versionEndExcluding": "7.8.0", "versionStartIncluding": "7.0"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}