What is the CVSS score of CVE-2021-33011?

CVE-2021-33011 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.4%.

Pc10G Cpu Tcc 6353 Firmware CVE-2021-33011

MEDIUM

Allocation of Resources Without Limits or Throttling (CWE-770)

2021-09-10 ics-cert@hq.dhs.gov

Denial Of Service Pc10G Cpu Tcc 6353 Firmware Pc10Ge Tcc 6464 Firmware Pc10P Tcc 6372 Firmware Pc10P Dp Tcc 6726 Firmware Pc10P Dp Io Tcc 6752 Firmware Pc10B P Tcc 6373 Firmware Pc10B Tcc 1021 Firmware Pc10B E C Tcu 6521 Firmware Pc10E Tcc 4637 Firmware Pc10Pe Tcc 1101 Firmware Pc10Pe 1616P Tcc 1102 Firmware Ef10 Tcu 6982 Firmware Plus Cpu Tcc 6740 Firmware Plus Ex Tcu 6741 Firmware Plus Ex2 Tcu 6858 Firmware Plus Efr Tcu 6743 Firmware Plus Efr2 Tcu 6859 Firmware Plus 2P Efr Tcu 6929 Firmware Plus Bus Ex Tcu 6900 Firmware Fl Et T V2H Thu 6289 Firmware 2Port Efr Thu 6404 Firmware Nano 10Gx Tuc 1157 Firmware Nano Cpu Tuc 6941 Firmware Nano 2Et Tuu 6949 Firmware Nano Safety Tuc 1085 Firmware Nano Safety Rs00Ip Tuu 1086 Firmware Nano Safety Rs01Ip Tuu 1087 Firmware

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

CVE Published

Sep 10, 2021 - 12:15 nvd

MEDIUM 4.3

DescriptionNVD

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.

AnalysisAI

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices. Affected products include: Jtekt Pc10G-Cpu Tcc-6353 Firmware, Jtekt Pc10Ge Tcc-6464 Firmware, Jtekt Pc10P Tcc-6372 Firmware, Jtekt Pc10P-Dp Tcc-6726 Firmware, Jtekt Pc10P-Dp-Io Tcc-6752 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.