CVE-2017-3768

7.5 HIGH 1% exploit odds Fix listed

What it is

An unprivileged attacker with connectivity to the IMM2 could cause a denial of service attack on the IMM2 (Versions earlier than 4.4 for Lenovo System x and earlier than 6.4 for IBM System x). Flooding the IMM2 with a high volume of authentication failures via the Common Information Model (CIM) used by LXCA and OneCLI and other tools can exhaust available system memory which can cause the IMM2 to reboot itself until the requests cease.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 1.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2018-01-26 19:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:18 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.2% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2018-01-26 19:29 UTC
Last modified: 2026-06-17 01:18 UTC
Exploit probability: 1.2% · EPSS, next 30 days
Weakness: CWE-400 · Uncontrolled resource consumption
Record status: Modified

Affected

Lenova Flex System x240 m5 Firmware < 4.4
Lenova Flex System x280 x6 Firmware < 4.4
Lenova Flex System x440 m4 Firmware < 4.4
Lenova Flex System x480 x6 Firmware < 4.4
Lenova Flex System x880 Firmware < 4.4
Lenova Nextscale nx360 m5 Firmware < 4.4
Lenova System x3250 m6 Firmware < 4.4
Lenova System x3500 m5 Firmware < 4.4

Attack profile CVSS 3.0 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2017-3768.md and follow it. Check whether this project is affected by CVE-2017-3768. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record