CVE-2020-5668
Description
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series modules (R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier) allows a remote unauthenticated attacker to cause an error in a CPU unit and cause a denial-of-service (DoS) condition in execution of the program and its communication, or to cause a denial-of-service (DoS) condition in communication via the unit by receiving a specially crafted SLMP packet
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30- cpe:2.3:o:mitsubishielectric:r00cpu_firmware:*:*:*:*:*:*:*:*Range: <=19
- cpe:2.3:o:mitsubishielectric:r01cpu_firmware:*:*:*:*:*:*:*:*Range: <=19
- cpe:2.3:o:mitsubishielectric:r02cpu_firmware:*:*:*:*:*:*:*:*Range: <=19
- cpe:2.3:o:mitsubishielectric:r04cpu_firmware:*:*:*:*:*:*:*:*Range: <=51
- cpe:2.3:o:mitsubishielectric:r08cpu_firmware:*:*:*:*:*:*:*:*Range: <=51
- cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:*:*:*:*:*:*:*:*Range: <=25
- cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:*Range: <=06
- cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*Range: <=22
- cpe:2.3:o:mitsubishielectric:r120cpu_firmware:*:*:*:*:*:*:*:*Range: <=51
- cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:*:*:*:*:*:*:*:*Range: <=25
- cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:*Range: <=06
- cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:*Range: <=22
- cpe:2.3:o:mitsubishielectric:r16cpu_firmware:*:*:*:*:*:*:*:*Range: <=51
- cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:*:*:*:*:*:*:*:*Range: <=25
- cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:*Range: <=06
- cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:*Range: <=22
- cpe:2.3:o:mitsubishielectric:r32cpu_firmware:*:*:*:*:*:*:*:*Range: <=51
- cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:*:*:*:*:*:*:*:*Range: <=25
- cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:*Range: <=06
- cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:*Range: <=22
- cpe:2.3:o:mitsubishielectric:rj71c24-r2_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj71c24-r4_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj71en71_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj71gf11-t2_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj71gn11-t2_firmware:*:*:*:*:*:*:*:*Range: <=11
- cpe:2.3:o:mitsubishielectric:rj71gp21-sx_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj71gp21s-sx_firmware:*:*:*:*:*:*:*:*Range: <=47
- cpe:2.3:o:mitsubishielectric:rj72gf15-t2_firmware:*:*:*:*:*:*:*:*Range: <=07
firmware version '19' and earlier, '51' and earlier, '22' and earlier, '25' and earlier, '06' and earlier, '47' and earlier, '47' and earlier, '07' and earlier, '47' and earlier, '47' and earlier, and '11' and earlier+ 1 more
- (no CPE)range: firmware version '19' and earlier, '51' and earlier, '22' and earlier, '25' and earlier, '06' and earlier, '47' and earlier, '47' and earlier, '07' and earlier, '47' and earlier, '47' and earlier, and '11' and earlier
- (no CPE)range: R00/01/02CPU firmware version '19' and earlier, R04/08/16/32/120 (EN) CPU firmware version '51' and earlier, R08/16/32/120SFCPU firmware version '22' and earlier, R08/16/32/120PCPU firmware version '25' and earlier, R08/16/32/120PSFCPU firmware version '06' and earlier, RJ71EN71 firmware version '47' and earlier, RJ71GF11-T2 firmware version '47' and earlier, RJ72GF15-T2 firmware version '07' and earlier, RJ71GP21-SX firmware version '47' and earlier, RJ71GP21S-SX firmware version '47' and earlier, and RJ71GN11-T2 firmware version '11' and earlier
Patches
Vulnerability mechanics
References
4- jvn.jp/vu/JVNVU95980140/index.htmlnvdThird Party Advisory
- us-cert.cisa.gov/ics/advisories/icsa-20-324-05nvdThird Party AdvisoryUS Government Resource
- www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-016.pdfnvdVendor Advisory
- www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-016_en.pdfnvdVendor Advisory
News mentions
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