Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors
Published Jan 28, 2012
9.8
CRITICALCVSS 3.1
EPSS 4.82%
Description
Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.
Affected products
No data.
- 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.82% (0.04822) | 91.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.88% (0.04882) | 90.90th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.15% (0.04149) | 87.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.06% (0.08059) | 86.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.15% (0.04149) | 87.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.76% (0.01762) | 87.66th | v3 (v2023.03.01) |
| Dec 12, 2024 | 6.09% (0.06091) | 93.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.63% (0.06626) | 92.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.79% (0.03795) | 85.54th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.79% (0.03795) | 84.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.79% (0.03795) | 67.25th | v2 (v2022.01.01) |
References (5)
- http://secunia.com/advisories/47723 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://www.securityfocus.com/bid/51605 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf x_refsource_MISCBroken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72586 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03 x_refsource_MISCThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/47723 | third-party-advisoryx_refsource_SECUNIANot Applicable | |
| http://www.securityfocus.com/bid/51605 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf | x_refsource_MISCBroken Link | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/72586 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03 | x_refsource_MISCThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.