Vulnerability-Lookup

GHSA-J7G5-CJ58-4V5F

Vulnerability from github – Published: 2026-05-14 18:32 – Updated: 2026-05-14 18:32

Details

A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Severity

3.8 (Low)


                  
                    CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-6923"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1300"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-14T17:16:24Z",
    "severity": "LOW"
  },
  "details": "A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.",
  "id": "GHSA-j7g5-cj58-4v5f",
  "modified": "2026-05-14T18:32:57Z",
  "published": "2026-05-14T18:32:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6923"
    },
    {
      "type": "WEB",
      "url": "https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-6923 (GCVE-0-2026-6923)

Vulnerability from cvelistv5 – Published: 2026-05-14 16:14 – Updated: 2026-05-14 18:33

Title

Nuvoton - CWE-1300: Improper Protection of Physical Side Channels

Summary

A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Severity

3.8 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-1300 - Improper protection of physical side channels

Assigner

INCD

References

1 reference

URL	Tags
https://www.gov.il/en/departments/dynamiccollecto…

Impacted products

1 product

Vendor	Product	Version
Nuvoton	NPCT7xx	Affected: all versions below 7.2.4.0 (cpe)

Date Public

2026-05-14 16:01

Credits

Robin Muller, Roman Korkikian - uSec

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-6923",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T18:32:58.551244Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-14T18:33:12.447Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "NPCT7xx",
          "vendor": "Nuvoton",
          "versions": [
            {
              "status": "affected",
              "version": "all versions below 7.2.4.0",
              "versionType": "cpe"
            }
          ]
        }
      ],
      "credits": [
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          "type": "finder",
          "value": "Robin Muller, Roman Korkikian - uSec"
        }
      ],
      "datePublic": "2026-05-14T16:01:00.000Z",
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      ],
      "metrics": [
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            "attackComplexity": "HIGH",
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            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "HIGH",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-05-14T16:14:33.541Z",
        "orgId": "a57ee1ae-c9c1-4f40-aa7b-cf10760fde3f",
        "shortName": "INCD"
      },
      "references": [
        {
          "url": "https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0"
        }
      ],
      "solutions": [
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          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Upgrade to version 7.2.4.0 or above."
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          ],
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        }
      ],
      "source": {
        "advisory": "ILVN-2026-0259",
        "discovery": "UNKNOWN"
      },
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  "cveMetadata": {
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    "datePublished": "2026-05-14T16:14:33.541Z",
    "dateReserved": "2026-04-23T16:23:24.316Z",
    "dateUpdated": "2026-05-14T18:33:12.447Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-J7G5-CJ58-4V5F

CVE-2026-6923 (GCVE-0-2026-6923)

Tags

Sightings

Nomenclature