Vulnerability · Published Jan 26, 2021 · Assigned by icscert
CVE-2020-27299
Critical 9.1
In plain English
A critical-severity out-of-bounds read in OPC UA Tunneller. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | OPC UA Tunneller | All versions prior to 6.3.0.8233 |
Weakness: CWE-125
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03 x_refsource_MISC