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CVE-2023-21404

MEDIUM
5.3
CVSS Score
Published: May 8, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:32 AM UTC
2 products affected across 2 vendorsAXIS OSAXIS OS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

AXIS OS 11.0.X - 11.3.x use a static RSA key in legacy LUA-components to protect Axis-specific source code. The static RSA key is not used in any other secure communication nor can it be used to compromise the device or any customer data.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

AXIS OS· Axis
95%
11.0.89 ≤ v < 11.4.52
Affected range stops below 11.4.52, so it looks safe — our inference, not a vendor statement
AXIS OS· Axis Communications
60%
AXIS OS 11.0.X - 11.3.x

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.axis.com/dam/public/07/0a/20/cve-2023-21404-en-US-398426.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-321CWE-311

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