What’s Vulnerable › Vulnerabilities

CVE-2020-26122

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-07 · updated 2026-06-17
• Weakness: CWE-347

Description

Inspur NF5266M5 through 3.21.2 and other server M5 devices allow remote code execution via administrator privileges. The Baseboard Management Controller (BMC) program of INSPUR server is weak in checking the firmware and lacks the signature verification mechanism, the attacker who obtains the administrator's rights can control the BMC by inserting malicious code into the firmware program and bypassing the current verification mechanism to upgrade the BMC.

Affected products

• Inspur Nf5180M5 Firmware: before 4.18.2 — fixed in 4.18.2
• Inspur Nf5260M5 Firmware: before 3.8.0 — fixed in 3.8.0
• Inspur Nf5266M5 Firmware: before 3.21.3 — fixed in 3.21.3
• Inspur Nf5270M5 Firmware: before 4.9.1 — fixed in 4.9.1
• Inspur Nf5280M5 Firmware: before 4.26.6 — fixed in 4.26.6
• Inspur Nf5466M5 Firmware: before 4.28.0 — fixed in 4.28.0
• Inspur Nf5468M5 Firmware: before 1.18.51 — fixed in 1.18.51
• Inspur Nf5486M5 Firmware: before 3.22.0 — fixed in 3.22.0
• Inspur Nf5488M5-D Firmware: before 1.18.51 — fixed in 1.18.51
• Inspur Nf8260M5 Firmware: before 1.19.34 — fixed in 1.19.34
• Inspur Nf8480M5 Firmware: before 1.19.34 — fixed in 1.19.34
• Inspur Ns5162M5 Firmware: before 4.5.3 — fixed in 4.5.3
• Inspur Ns5482M5 Firmware: before 1.19.33 — fixed in 1.19.33
• Inspur Ns5484M5 Firmware: before 1.19.33 — fixed in 1.19.33
• Inspur Ns5488M5 Firmware: before 1.19.33 — fixed in 1.19.33

How to fix

Upgrade to a fixed version: Inspur Nf5180M5 Firmware 4.18.2; Inspur Nf5260M5 Firmware 3.8.0; Inspur Nf5266M5 Firmware 3.21.3; Inspur Nf5270M5 Firmware 4.9.1; Inspur Nf5280M5 Firmware 4.26.6; Inspur Nf5466M5 Firmware 4.28.0; Inspur Nf5468M5 Firmware 1.18.51; Inspur Nf5486M5 Firmware 3.22.0; Inspur Nf5488M5-D Firmware 1.18.51; Inspur Nf8260M5 Firmware 1.19.34; Inspur Nf8480M5 Firmware 1.19.34; Inspur Ns5162M5 Firmware 4.5.3. Check the vendor advisory for mitigations.

References

• https://en.inspur.com/en/2487134/index.html
• https://en.inspur.com/en/security_bulletins/security_advisory2/2543921/index.html
• https://en.inspur.com/en/2487134/index.html
• https://en.inspur.com/en/security_bulletins/security_advisory2/2543921/index.html

Get alerted when CVE-2020-26122 or the next vulnerability affects your stack