Growi
CVE-2021-20668
LOW
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 2.7 (LOW). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Path traversal vulnerability in GROWI versions v4.2.2 and earlier allows an attacker with administrator rights to read an arbitrary path via a specially crafted URL. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
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 Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Path traversal vulnerability in GROWI versions v4.2.2 and earlier allows an attacker with administrator rights to read an arbitrary path via a specially crafted URL. Affected products include: Weseek Growi.
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Path traversal vulnerability in GROWI versions v4.2.2 and earlier allows an attacker with administrator rights to read an arbitrary path via a specially crafted URL.
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
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)NVD
NoSQL injection vulnerability in GROWI versions prior to v4.2.20 allows a remote attacker to obtain and/or alter the inf
Cross-site request forgery (CSRF) vulnerability in GROWI v3.4.6 and earlier allows remote attackers to hijack the authen
Unauthenticated file disclosure in GROWI (all versions before 8.0.2) exposes private page attachments to any caller who
Remote denial of service via regular expression attack in GROWI allows unauthenticated network attackers to exhaust serv
Cross-user data exposure and tampering in GROWI v7.4.5 and earlier allows any authenticated user who learns a shared AI
Remote path traversal in GROWI v7.5.0 and earlier allows authenticated administrators to execute arbitrary EJS templates
Improper access control vulnerability in GROWI versions v4.2.2 and earlier allows a remote unauthenticated attacker to r
Directory traversal vulnerability in GROWI versions prior to v4.2.3 (v4.2 Series), GROWI versions prior to v4.1.12 (v4.1
Improper input validation in GROWI versions prior to v4.2.3 (v4.2 Series), GROWI versions prior to v4.1.12 (v4.1 Series)
GROWI v4.1.3 and earlier allow remote attackers to obtain information which is not allowed to access via unspecified vec
In WESEEK GROWI before 3.5.0, a remote attacker can obtain the password hash of the creator of a page by leveraging wiki
In WESEEK GROWI before 3.5.0, the site-wide basic authentication can be bypassed by adding a URL parameter access_token
GitHub PoC
Exploit-DB