NULL pointer dereference in Mitsubishielectric Coreos
CVE-2020-5646
NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QMBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QLBDE CoreOS version "05.65.00.BD" and earlier, GT1455HS-QTBDE CoreOS version "05.65.00.BD" and earlier, and GT1450HS-QMBDE CoreOS version "05.65.00.BD" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.
EPSS: 0.042 (90.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mitsubishielectric Coreos
- Mitsubishielectric Gt1450hs-qmbde
- Mitsubishielectric Gt1450-qlbde
- Mitsubishielectric Gt1450-qmbde
- Mitsubishielectric Gt1455hs-qtbde
- Mitsubishielectric Gt1455-qtbde
- Mitsubishi Electric Corporation Gt14 Model Of Got 1000 Series — versions (GT1455-QTBDE CoreOS version ’05.65.00.BD’ and earlier, GT1450-QMBDE CoreOS version ’05.65.00.BD’ and earlier, GT1450-QLBDE CoreOS version ’05.65.00.BD’ and earlier, GT1455HS-QTBDE CoreOS version ’05.65.00.BD’ and earlier, and GT1450HS-QMBDE CoreOS version ’05.65.00.BD’ and earlier)
Weakness classification (CWE)
References
- vultures@jpcert.or.jp (US Government Resource, Third Party Advisory, x_refsource_MISC)
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-5646?
- CVE-2020-5646 is a high-severity vulnerability in Mitsubishielectric Coreos, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-11-06.
- How severe is CVE-2020-5646?
- High severity. CVSS v3 base score is 7.5 out of 10.