CVE-2021-42577 is a high-severity vulnerability affecting Softing OPC UA C++ SDK and related products, where a malformed OPC/UA message abort packet can cause a client crash due to a NULL pointer dereference. This vulnerability has a CVSS score of 7.5, indicating a high impact on availability, and can be exploited remotely with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.19CPE matchmatch criteria | cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:* | ||
< 5.70.0CPE matchmatch criteria | cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:* | ||
<= 1.22CPE matchmatch criteria | cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.