Grafana
CVE-2021-27437
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK
2 techniques across 2 tactics: Persistence, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard. The system contains a hard-coded administrator username and password that can be used to query Grafana APIs. Authentication is not required for exploitation on the WISE-PaaS/RMM (versions prior to 9.0.1). Affected products include: Advantech Wise-Paas\/Rmm. Version information: prior to 9.0.1.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard. The system contains a hard-coded administrator username and password that can be used to query Grafana APIs. Authentication is not required for exploitation on the WISE-PaaS/RMM (versions prior to 9.0.1).
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
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An issue was discovered in Grafana through 7.3.4, when integrated with Zabbix. Rated critical severity (CVSS 9.8), this
A signature verification vulnerability exists in crewjam/saml. Rated critical severity (CVSS 9.8), this vulnerability is
Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generat
Authentication bypass in Grafana OnCall through 1.16.11 lets unauthenticated remote attackers mint a valid PluginAuthTok
Insertion of sensitive information in the centralized (Grafana) logging system in ProLion CryptoSpike 3.0.15P2 allows re
A cross-site scripting (XSS) vulnerability exists in Grafana caused by combining a client path traversal and open redire
The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control issue. Rated high severity (CVSS
Grafana is an open-source platform for monitoring and observability. Rated high severity (CVSS 7.5), this vulnerability
Grafana 8.4.3 allows unauthenticated access via (for example) a /dashboard/snapshot/*?orgId=0 URI. Rated high severity (
Grafana 8.4.3 allows reading files via (for example) a /dashboard/snapshot/%7B%7Bconstructor.constructor'/.. Rated high
GitHub PoC
Exploit-DB