CVE-2021-25927
CRITICAL
9.8
CVSS Score
Published: April 26, 2021 at 10:54 AM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorSafe Flat
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
SSVC
PoC
Description
Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 2.0.2, 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 (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927SSVC — Action Prioritization
SSVCPoCAutomatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
9.8CRITICALCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1321
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