CVE-2021-42262
CVE-2021-42262 is a medium-severity vulnerability in Softing Datafeed Opc Suite with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Softing Datafeed Opc Suite
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-42262?
- CVE-2021-42262 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-42262 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42262?
- CVE-2021-42262 primarily affects Softing Datafeed Opc Suite. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-42262?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-42262 published?
- CVE-2021-42262 was published on 2022-03-11 and last updated on 2026-06-17.
References
- https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42262.pdf
- https://industrial.softing.com/us/solutions/opc-and-opc-ua.html
Affected products (3)
- cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:*
- cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:*
- cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*
More vulnerabilities in Softing Datafeed Opc Suite
- CVE-2021-42577 — High (CVSS 7.5): An issue was discovered in Softing OPC UA C++ SDK before 5.70. A malformed OPC/UA message abort packet makes the client…
- CVE-2021-40873 — High (CVSS 7.5): An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before…
- CVE-2021-40871 — High (CVSS 7.5): An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial…
All CVEs affecting Softing Datafeed Opc Suite →
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