CVE-2021-31986

MEDIUM
6.8
CVSS Score
Published: October 5, 2021 at 09:45 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
MEDIUM6.8
Exploit prediction
EPSS 0.8%

Description

User controlled parameters related to SMTP notifications are not correctly validated. This can lead to a buffer overflow resulting in crashes and data leakage.

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

Remediation

No guide yet

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

References (1)

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-787

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