Out-of-bounds Read in Honeywell Opc Ua Tunneller
CVE-2020-27299
The affected product is vulnerable to an out-of-bounds read, which may allow an attacker to obtain and disclose sensitive data information or cause the device to crash on the OPC UA Tunneller (versions prior to 6.3.0.8233).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Honeywell Opc Ua Tunneller
- Opc Ua Tunneller — versions All versions prior to 6.3.0.8233
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-21-021-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27299?
- CVE-2020-27299 is a critical-severity vulnerability in Honeywell Opc Ua Tunneller, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2021-01-26.
- How severe is CVE-2020-27299?
- Critical severity. CVSS v3 base score is 9.1 out of 10.