CVE-2021-31986 Memory corruption in AXIS OS
Attackers can trigger a buffer overflow in SMTP notification handling, causing crashes and potential data leakage in Axis network cameras.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-31986?
CVE-2021-31986 is a medium-severity memory corruption vulnerability in AXIS OS, published on 5 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2021-31986?
It affects 4 products.
Products include Axis Axis Os, Axis Axis Os 2016, Axis Axis Os 2018, Axis Axis Os 2020.
How do I fix CVE-2021-31986?
No fix has been published for CVE-2021-31986 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-31986 being exploited?
There is no known exploitation of CVE-2021-31986 in the wild and no public exploit code.
Other vulnerabilities in AXIS OS
Sources
Also known as GHSA-qx7f-84h6-wf98.