CVE-2021-20618

Privilege chaining vulnerability in acmailer ver. 4.0.2 and earlier, and acmailer DB ver. 1.1.4 and earlier allows remote attackers to bypass authentication and to gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://jvn.jp/en/jp/JVN35906450/index.html	Third Party Advisory
https://www.acmailer.jp/info/de.cgi?id=101	Vendor Advisory
https://jvn.jp/en/jp/JVN35906450/index.html	Third Party Advisory
https://www.acmailer.jp/info/de.cgi?id=101	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:acmailer:acmailer::::::::
	cpe:2.3:a:acmailer:acmailer_db::::::::

History

No history.

Information

Published : 2021-01-14 09:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20618

Mitre link : CVE-2021-20618

CVE.ORG link : CVE-2021-20618

JSON object : View

Products Affected

acmailer

acmailer
acmailer_db

CWE

CWE-269

Improper Privilege Management

{"id": "CVE-2021-20618", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-01-14T09:15:13.740", "references": [{"url": "https://jvn.jp/en/jp/JVN35906450/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.acmailer.jp/info/de.cgi?id=101", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://jvn.jp/en/jp/JVN35906450/index.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.acmailer.jp/info/de.cgi?id=101", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Privilege chaining vulnerability in acmailer ver. 4.0.2 and earlier, and acmailer DB ver. 1.1.4 and earlier allows remote attackers to bypass authentication and to gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de encadenamiento de privilegios en acmailer versiones ver. 4.0.2 y anteriores, y acmailer DB versiones ver. 1.1.4 y anteriores, permiten a atacantes remotos omitir la autenticaci\u00f3n y alcanzar un privilegio administrativo que puede resultar en la obtenci\u00f3n de informaci\u00f3n confidencial en el servidor por medio de vectores no especificados"}], "lastModified": "2024-11-21T05:46:53.300", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:acmailer:acmailer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E22335A-B970-443E-BE48-83D29D4B02EA", "versionEndIncluding": "4.0.2"}, {"criteria": "cpe:2.3:a:acmailer:acmailer_db:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53E9A059-D02B-409B-81EB-DB11CEFE523C", "versionEndIncluding": "1.1.4"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}