CVE-2021-31988
HIGH
8.8
CVSS Score
Published: October 5, 2021 at 09:48 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
5 products affected across 2 vendorsAXIS OSAxis OS 2020Axis OS 2018
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Severity
HIGH8.8
Exploit prediction
EPSS 1.0%
Description
A user controlled parameter related to SMTP test functionality is not correctly validated making it possible to add the Carriage Return and Line Feed (CRLF) control characters and include arbitrary SMTP headers in the generated test email.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 10.7
Affected range stops below 10.7, so it looks safe — our inference, not a vendor statement
v < 6.50.5.5
Affected range stops below 6.50.5.5, so it looks safe — our inference, not a vendor statement
v < 8.40.4.3
Affected range stops below 8.40.4.3, so it looks safe — our inference, not a vendor statement
v < 9.80.3.5
Affected range stops below 9.80.3.5, so it looks safe — our inference, not a vendor statement
v ≥ 5.51
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.axis.com/files/tech_notes/CVE-2021-31988.pdfCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1286CWE-74
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