CVE-2021-20745
HIGH
7.8
CVSS Score
Published: June 28, 2021 at 12:50 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 2 vendorsInkdropInkdrop
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Severity
HIGH7.8
Exploit prediction
EPSS 1.0%
Description
Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.3.1
Affected range stops below 5.3.1, so it looks safe — our inference, not a vendor statement
v < 5.3.1
Affected range stops below 5.3.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://docs.inkdrop.app/releases/5.3.1x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN29949691/index.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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