Unrated severityNVD Advisory· Published Oct 28, 2020· Updated Aug 4, 2024
CVE-2020-22552
CVE-2020-22552
Description
The Snap7 server component in version 1.4.1, when an attacker sends a crafted packet with COTP protocol the last-data-unit flag set to No and S7 writes a var function, the Snap7 server will be crashed.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Snap7/Snap7 server componentdescription
Patches
Vulnerability mechanics
References
3- snap7.commitrex_refsource_MISC
- sourceforge.net/p/snap7/discussion/bugfix/thread/456d76fdde/mitrex_refsource_MISC
- sourceforge.net/projects/snap7/mitrex_refsource_MISC
News mentions
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