CVE-2021-23422
Arbitrary Code Injection
HIGH
7.8
CVSS Score
Published: August 16, 2021 at 08:00 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorBikeshed
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Severity
HIGH7.8
Exploit prediction
EPSS 0.8%
Description
This affects the package bikeshed before 3.0.0. This can occur when an untrusted source file containing Inline Tag Command metadata is processed. When an arbitrary OS command is executed, the command output would be included in the HTML output.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 3.0.0
Affected range stops below 3.0.0, 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:
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/tabatkins/bikeshed/commit/b2f668fca204260b1cad28d5078e93471cb6b2ddx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-PYTHON-BIKESHED-1537646CVSS
7.8HIGHsnyk
- 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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