CVE-2020-5649
CVE-2020-5649 is a high-severity vulnerability in Mitsubishielectric Coreos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Mitsubishielectric Coreos
- Published:
- Last modified:
Description
Resource management error 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.
Frequently asked questions
- What is CVE-2020-5649?
- Resource management error 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.
- How severe is CVE-2020-5649?
- CVE-2020-5649 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-5649 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5649?
- CVE-2020-5649 affects Mitsubishielectric Coreos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5649?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-5649 published?
- CVE-2020-5649 was published on 2020-11-06 and last updated on 2026-06-17.
References
- https://jvn.jp/vu/JVNVU99562395/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf
Affected products (1)
- cpe:2.3:o:mitsubishielectric:coreos:*:*:*:*:*:*:*:*
More vulnerabilities in Mitsubishielectric Coreos
- CVE-2020-5648 — Critical (CVSS 9.8): Improper neutralization of argument delimiters in a command ('Argument Injection') vulnerability in TCP/IP function…
- CVE-2020-5647 — Critical (CVSS 9.8): Improper access control vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series…
- CVE-2020-5644 — Critical (CVSS 9.8): Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series…
- CVE-2020-5599 — Critical (CVSS 9.8): TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier…
- CVE-2020-5595 — Critical (CVSS 9.8): TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier…
- CVE-2020-5646 — High (CVSS 7.5): NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series…