CVE-2021-32998 Memory corruption in R-30iA, R-30iA Mate
An out-of-bounds write in FANUC robot controllers allows remote attackers to execute arbitrary code, requiring a system restart to restore normal operation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32998?
CVE-2021-32998 is a high-severity memory corruption vulnerability in FANUC R-30iA, R-30iA Mate, published on 7 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FANUC R-30iA and R-30iB series controllers are vulnerable to an out-of-bounds write, which may allow an attacker to remotely execute arbitrary code. INIT START/restore from backup required.
Weakness: CWE-787
Which versions are affected by CVE-2021-32998?
It affects 9 products.
Products include Fanuc R-30ia Firmware, Fanuc R-30ia Mate Firmware, Fanuc R-30ib Compact Firmware, Fanuc R-30ib Compact Plus Firmware, Fanuc R-30ib Firmware, Fanuc R-30ib Mate Firmware and 3 more.
How do I fix CVE-2021-32998?
No fix has been published for CVE-2021-32998 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-2021-32998 being exploited?
There is no known exploitation of CVE-2021-32998 in the wild and no public exploit code.
Other vulnerabilities in FANUC R-30iA, R-30iA Mate
Sources
Also known as GHSA-x25v-g44g-6xm4.