Vulnerability-Lookup

GHSA-PXQ3-M9X7-5W4M

Vulnerability from github – Published: 2026-09-12 12:30 – Updated: 2026-09-12 12:30

Details

Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.

This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.

Severity

5.6 (Medium)


                  
                    CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89172"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1300"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-12T10:16:36Z",
    "severity": "MODERATE"
  },
  "details": "Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052.\n\nThis issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.",
  "id": "GHSA-pxq3-m9x7-5w4m",
  "modified": "2026-09-12T12:30:50Z",
  "published": "2026-09-12T12:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89172"
    },
    {
      "type": "WEB",
      "url": "https://www.microchip.com/en-us/application-notes/an1044"
    },
    {
      "type": "WEB",
      "url": "https://www.microchip.com/en-us/application-notes/an953"
    },
    {
      "type": "WEB",
      "url": "https://www.microchip.com/en-us/development-tool/sw300052"
    },
    {
      "type": "WEB",
      "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/side-channel-attack-an1044-an953-sw300052-cryptographic-algorithms"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-89172 (GCVE-0-2026-89172)

Vulnerability from cvelistv5 – Published: 2026-09-12 09:26 – Updated: 2026-09-14 13:00

Title

Side-channel attack of AN1044/AN953/SW300052 cryptographic algorithms

Summary

Improper protection of physical side channels vulnerability in Microchip AN1044, Microchip AN953, and Microchip SW300052. This issue affects AN1044: through A; AN953: through A; SW300052: through 2.6.

Severity

5.6 (Medium)


                        
                          CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-14 12:55 UTC

CWE

CWE-1300 - Improper protection of physical side channels

Assigner

Microchip mitre root

References

4 references

URL	Tags
https://www.microchip.com/en-us/solutions/technol…	vendor-advisory
https://www.microchip.com/en-us/application-notes…	related
https://www.microchip.com/en-us/application-notes/an953	related
https://www.microchip.com/en-us/development-tool/…	related

Impacted products

3 products

Vendor	Product	Version
Microchip	AN1044	Affected: 0 , ≤ A (custom)
Microchip	AN953	Affected: 0 , ≤ A (custom)
Microchip	SW300052	Affected: 0 , ≤ 2.6 (custom)

Credits

Daniel Würsch Institute of Computer Science, University of Tartu

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.