Multiple buffer overflows in Intel AMT in Intel CSME firmware versions before version 12.0.5 may allow a privileged user to potentially exec
Multiple buffer overflows in Intel AMT in Intel CSME firmware versions before version 12.0.5 may allow a privileged user to potentially execute arbitrary code with Intel AMT execution privilege via local access.
- Published
- Sep 12, 2018
- Updated
- Jun 16, 2026
- EPSS
- 0.6% · 46th percentile
- CWE
- CWE-119
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.7 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| intel | converged security management engine firmware | cpe:2.3:a:intel:converged_security_management_engine_firmware |
| intel | active management technology firmware | cpe:2.3:o:intel:active_management_technology_firmware |
| intel | manageability engine firmware | cpe:2.3:o:intel:manageability_engine_firmware |
| siemens | simatic field pg m5 firmware | cpe:2.3:o:siemens:simatic_field_pg_m5_firmware |
| siemens | simatic field pg m5 | cpe:2.3:h:siemens:simatic_field_pg_m5 |
| siemens | simatic ipc427e firmware | cpe:2.3:o:siemens:simatic_ipc427e_firmware |
| siemens | simatic ipc427e | cpe:2.3:h:siemens:simatic_ipc427e |
| siemens | simatic ipc477e firmware | cpe:2.3:o:siemens:simatic_ipc477e_firmware |
| siemens | simatic ipc477e | cpe:2.3:h:siemens:simatic_ipc477e |
| siemens | simatic ipc547e firmware | cpe:2.3:o:siemens:simatic_ipc547e_firmware |
| siemens | simatic pc547e | cpe:2.3:h:siemens:simatic_pc547e |
| siemens | simatic pc547g firmware | cpe:2.3:o:siemens:simatic_pc547g_firmware |
and 13 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- intel active management technology firmwarebefore 12.0.5
- intel converged security management engine firmware11.0.0 and later · before 12.0.5
- intel manageability engine firmware9.0.0.0 and later · before 11.0
- siemens simatic field pg m5 firmwarebefore 22.01.06
- siemens simatic ipc427e firmwarebefore 21.01.09
- siemens simatic ipc477e firmwarebefore 21.01.09
- siemens simatic ipc547e firmwarebefore r1.30.0
- siemens simatic ipc627d firmwarebefore 19.02.11
- siemens simatic ipc647d firmwarebefore 19.01.14
- siemens simatic ipc677d firmwarebefore 19.02.11
- siemens simatic ipc827d firmwarebefore 19.02.11
- siemens simatic ipc847d firmwarebefore 19.01.14
- siemens simatic itp1000 firmwarebefore 23.01.04
- siemens simatic pc547g firmwarebefore r1.23.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.
Intel Corporation Intel(R) Active Management Technology
- Versions before version 12.0.5.affected
Same product
intel: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-0153Buffer overflow in subsystem in Intel(R) CSME 12.0.0 through 12.0.34 may allow an unauthenticated user to potentially enable escalation of p40Plan
- CVE-2019-0169Heap overflow in subsystem in Intel(R) CSME before versions 11.8.70, 11.11.70, 11.22.70, 12.0.45; Intel(R) TXE before versions 3.1.70 and 4.35Monitor
- CVE-2018-3643A vulnerability in Power Management Controller firmware in systems using specific Intel(R) Converged Security and Management Engine (CSME) b32Monitor
- CVE-2018-3627Logic bug in Intel Converged Security Management Engine 11.x may allow an attacker to execute arbitrary code via local privileged access.32Monitor
- CVE-2022-29871Improper access control in the Intel(R) CSME software installer before version 2239.3.7.0 may allow an authenticated user to potentially ena31Monitor
- CVE-2020-0542Improper buffer restrictions in subsystem for Intel(R) CSME versions before 12.0.64, 13.0.32, 14.0.33 and 14.5.12 may allow an authenticated31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/106996
- cert-portal.siemens.com/productcert/pdf/ssa-377318.pdf
- ics-cert.us-cert.gov/advisories/ICSA-19-043-05
- security.netapp.com/advisory/ntap-20180924-0003/
- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03876en_us
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.