What is CVE-2021-42262?

CVE-2021-42262 is a medium-severity vulnerability in Softing Datafeed_opc_suite, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2022-03-11.

How severe is CVE-2021-42262?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Softing Datafeed_opc_suite

CVE-2021-42262

An issue was discovered in Softing OPC UA C++ SDK before 5.70. An invalid XML element in the type dictionary makes the OPC/UA client crash due to an out-of-memory condition.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Softing Datafeed_opc_suite
Softing Opc_ua_c\+\+_software_development_kit
Softing Secure_integration_server
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42262?: CVE-2021-42262 is a medium-severity vulnerability in Softing Datafeed_opc_suite, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2022-03-11.
How severe is CVE-2021-42262?: Medium severity. CVSS v3 base score is 6.5 out of 10.