CVE-2021-27213
CRITICAL
9.8
CVSS Score
Published: February 14, 2021 at 03:05 AM UTC
Updated: June 17, 2026 at 03:44 AM UTC
1 product affected across 1 vendorPystemon
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
Description
config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2021-02-13
Affected range stops below 2021-02-13, 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/cvandeplas/pystemon/commit/dbeb87afefdb63de2f4cff69b6f10c5965d14b54x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.huntr.dev/bounties/1-other-pystemon/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502
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