Buffer overflow in Fanuc R-30ia
CVE-2021-32998
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Fanuc R-30ia
- Fanuc R-30ia Firmware — versions 7.20, 7.30, 7.40
- Fanuc R-30ia Mate
- Fanuc R-30ia Mate Firmware — versions 7.20, 7.30, 7.40
- Fanuc R-30ia, R-30ia Mate — versions v7
- Fanuc R-30ib
- Fanuc R-30ib Compact
- Fanuc R-30ib Compact Firmware — versions 8.10, 8.13, 8.20
- Fanuc R-30ib Compact Plus
- Fanuc R-30ib Compact Plus Firmware — versions 9.10, 9.13, 9.16
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-21-243-02 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32998?
- CVE-2021-32998 is a high-severity vulnerability in Fanuc R-30ia, classified under Out-of-bounds Write. CVSS score: 7.4/10. Published 2022-01-10.
- How severe is CVE-2021-32998?
- High severity. CVSS v3 base score is 7.4 out of 10.