CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2020-5527
High (7.5) in mitsubishielectric. EPSS 1.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mitsubishielectric:cr800-q_firmware
- mitsubishielectric:fx3g_firmware
- mitsubishielectric:fx3gc_firmware
- mitsubishielectric:fx3s_firmware
- mitsubishielectric:fx3u_firmware
- mitsubishielectric:fx3uc_firmware
- mitsubishielectric:fx5u_firmware
- mitsubishielectric:fx5uc_firmware
- mitsubishielectric:fx5uj_firmware
- mitsubishielectric:l02cpu-p_firmware
- mitsubishielectric:l02cpu_firmware
- mitsubishielectric:l02scpu-p_firmware
- mitsubishielectric:l02scpu_firmware
- mitsubishielectric:l06cpu-p_firmware
- mitsubishielectric:l06cpu_firmware
- mitsubishielectric:l26cpu-bt_firmware
- mitsubishielectric:l26cpu-p_firmware
- mitsubishielectric:l26cpu-pbt_firmware
- mitsubishielectric:l26cpu_firmware
- mitsubishielectric:q02phcpu_firmware
- mitsubishielectric:q06phcpu_firmware
- mitsubishielectric:q12dccpu-v_firmware
- mitsubishielectric:q12phcpu_firmware
- mitsubishielectric:q12prhcpu_firmware
- mitsubishielectric:q172dscpu_firmware
- mitsubishielectric:q173dscpu_firmware
- mitsubishielectric:q173nccpu_firmware
- mitsubishielectric:q24dhccpu-ls_firmware
- mitsubishielectric:q24dhccpu-v_firmware
- mitsubishielectric:q24dhccpu-vg2_firmware
- mitsubishielectric:q25phcpu_firmware
- mitsubishielectric:q25prhcpu_firmware
- mitsubishielectric:q26dhccpu-ls_firmware
- mitsubishielectric:r00cpu_firmware
- mitsubishielectric:r01cpu_firmware
- mitsubishielectric:r02cpu_firmware
- mitsubishielectric:r04cpu_firmware
- mitsubishielectric:r04encpu_firmware
- mitsubishielectric:r08cpu_firmware
- mitsubishielectric:r08encpu_firmware
- mitsubishielectric:r120cpu_firmware
- mitsubishielectric:r120encpu_firmware
- mitsubishielectric:r16cpu_firmware
- mitsubishielectric:r16encpu_firmware
- mitsubishielectric:r32cpu_firmware
- mitsubishielectric:r32encpu_firmware