High severity7.5NVD Advisory· Published Mar 30, 2020· Updated Jun 17, 2026
CVE-2020-5527
CVE-2020-5527
Description
When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Range: all versions
- Range: all versions
- Range: all versions
- Mitsubishi Electric Corporation/MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC seriesv5Range: MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)
Patches
Vulnerability mechanics
References
2- jvn.jp/en/vu/JVNVU91553662/index.htmlnvdThird Party Advisory
- www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdfnvdVendor Advisory
News mentions
0No linked articles in our index yet.