Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function
Published Jan 8, 2012
5.0
MEDIUMCVSS 2.0
EPSS 4.08%
Description
Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.
Affected products
No data.
- ≤ 5.1
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.08% (0.04080) | 90.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.44% (0.04442) | 90.13th | v5 (v2026.06.15) |
| May 15, 2026 | 35.34% (0.35345) | 97.10th | v4 (v2025.03.14) |
| Feb 12, 2026 | 11.65% (0.11654) | 93.50th | v4 (v2025.03.14) |
| Nov 29, 2025 | 14.94% (0.14944) | 94.28th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.73% (0.19728) | 94.96th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.17% (0.23167) | 93.44th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.73% (0.19728) | 94.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.33% (0.03325) | 91.16th | v3 (v2023.03.01) |
| Sep 17, 2024 | 4.40% (0.04398) | 92.55th | v3 (v2023.03.01) |
| May 24, 2024 | 2.00% (0.01998) | 88.81th | v3 (v2023.03.01) |
| May 10, 2024 | 1.67% (0.01670) | 87.58th | v3 (v2023.03.01) |
| Apr 25, 2024 | 1.40% (0.01395) | 86.20th | v3 (v2023.03.01) |
| Mar 15, 2024 | 1.21% (0.01209) | 84.91th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.85% (0.00855) | 81.70th | v3 (v2023.03.01) |
| Jun 5, 2023 | 4.40% (0.04398) | 91.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.10% (0.06097) | 92.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://aluigi.altervista.org/adv/almsrvx_1-adv.txt x_refsource_MISCExploit
- http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=content x_refsource_CONFIRMVendor Advisory
- http://support.automation.siemens.com/WW/view/en/114358 x_refsource_CONFIRM
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf x_refsource_MISCUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://aluigi.altervista.org/adv/almsrvx_1-adv.txt | x_refsource_MISCExploit | |
| http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=content | x_refsource_CONFIRMVendor Advisory | |
| http://support.automation.siemens.com/WW/view/en/114358 | x_refsource_CONFIRM | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf | x_refsource_MISCUS Government Resource |
Change history (0)
No recorded changes yet.