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)
Published Jan 26, 2018
7.5
HIGHCVSS 3.0
EPSS 1.21%
Description
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.
Affected products
-
- Version Earlier than 4.4 for Lenovo System xStatusaffectedConstraints-
- Version Earlier than 6.4 for IBM System xStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lenovo Group Ltd. | Integrated Management Module 2 (IMM2) | n/a |
|
Configuration 1
- < 4.4
Running on/with
- n/a
Configuration 2
- < 4.4
Running on/with
- n/a
Configuration 3
- < 4.4
Running on/with
- n/a
Configuration 4
- < 4.4
Running on/with
- n/a
Configuration 5
- < 4.4
Running on/with
- n/a
Configuration 6
- < 4.4
Running on/with
- n/a
Configuration 7
- < 4.4
Running on/with
- n/a
Configuration 8
- < 4.4
Running on/with
- n/a
Configuration 9
- < 4.4
Running on/with
- n/a
Configuration 10
- < 4.4
Running on/with
- n/a
Configuration 11
- < 4.4
Running on/with
- n/a
Configuration 12
- < 4.4
Running on/with
- n/a
Configuration 13
- < 4.4
Running on/with
- n/a
Configuration 14
- < 4.4
Running on/with
- n/a
Configuration 15
- < 6.4
Running on/with
- n/a
Configuration 16
- < 6.4
Running on/with
- n/a
Configuration 17
- < 6.4
Running on/with
- n/a
Configuration 18
- < 6.4
Running on/with
- n/a
Configuration 19
- < 6.4
Running on/with
- n/a
Configuration 20
- < 6.4
Running on/with
- n/a
Configuration 21
- < 6.4
Running on/with
- n/a
Configuration 22
- < 6.4
Running on/with
- n/a
Configuration 23
- < 6.4
Running on/with
- n/a
Configuration 24
- < 6.4
Running on/with
- n/a
Configuration 25
- < 6.4
Running on/with
- n/a
Configuration 26
- < 6.4
Running on/with
- n/a
Configuration 27
- < 6.4
Running on/with
- n/a
Configuration 28
- < 6.4
Running on/with
- n/a
Configuration 29
- < 6.4
Running on/with
- n/a
Configuration 30
- < 6.4
Running on/with
- n/a
Configuration 31
- < 6.4
Running on/with
- n/a
Configuration 32
- < 6.4
Running on/with
- n/a
Configuration 33
- < 6.4
Running on/with
- n/a
Configuration 34
- < 6.4
Running on/with
- n/a
Configuration 35
- < 6.4
Running on/with
- n/a
Configuration 36
- < 6.4
Running on/with
- n/a
Configuration 37
- < 6.4
Running on/with
- n/a
Configuration 38
- < 6.4
Running on/with
- n/a
Configuration 39
- < 6.4
Running on/with
- n/a
Configuration 40
- < 6.4
Running on/with
- n/a
Configuration 41
- < 6.4
Running on/with
- n/a
Configuration 42
- < 6.4
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.21% (0.01212) | 67.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.24% (0.01236) | 65.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.69% (0.00693) | 70.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00112) | 46.14th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.10% (0.00099) | 41.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00098) | 39.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.95% (0.03952) | 72.92th | v1 |
| Jan 6, 2022 | 3.95% (0.03952) | 72.68th | v1 |
| Sep 1, 2021 | 3.95% (0.03952) | 83.14th | v1 |
| Apr 14, 2021 | 3.95% (0.03952) | 0.00th | v1 |
References (1)
- https://support.lenovo.com/us/en/product_security/LEN-14450 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://support.lenovo.com/us/en/product_security/LEN-14450 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.