Medium severity · published Oct 5, 2021
CVE-2021-31986
User controlled parameters related to SMTP notifications are not correctly validated
6.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AO
Axis OS · Axis
before 10.7 · source: NVD
AO
Axis OS 2016 · Axis
before 6.50.5.5 · source: NVD
AO
Axis OS 2018 · Axis
before 8.40.4.3 · source: NVD
AO
Axis OS 2020 · Axis
before 9.80.3.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31986
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31986
Vendor Advisory
https://www.axis.com/files/tech_notes/CVE-2021-31986.pdf
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