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.

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

EPSS: 0.017 (74.4th percentile) — read the EPSS interpretation.

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.

Affected products

Honeywell Opc_ua_tunneller
N/a Opc Ua Tunneller — versions All versions prior to 6.3.0.8233

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

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.