Vulnerability-Lookup

CVE-2026-17494 (GCVE-0-2026-17494)

Vulnerability from cvelistv5 – Published: 2026-08-19 18:42 – Updated: 2026-08-19 19:22

Title

Power System Buffer Overflow

Summary

IBM Power Systems Firmware FW1120.00, and FW1110.00 through FW1110.30 is affected by a vulnerability in the interface between the BMC and the host system. An attacker with service access to the BMC can send a specially crafted command, allowing arbitrary code to be executed on the host system, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

Severity

8.2 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-19 19:22 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7283220	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version	CPE status
IBM	Power Systems Firmware	Affected: FW1120.00 Affected: FW1110.00 , ≤ FW1110.30 (semver) cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:::::::* cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:::::::* cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:::::::*

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-17494",
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      "metrics": [
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              "value": "\u003cp\u003eCustomers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System E1180 (9080-HEU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1122 (9824-22A)\u003c/li\u003e\u003cli\u003eIBM Power System S1124 (9824-42A)\u003c/li\u003e\u003cli\u003eIBM Power System S1122s (9824-22B)\u003c/li\u003e\u003cli\u003eIBM Power System S1114 (9824-41B)\u003c/li\u003e\u003cli\u003eIBM Power System L1122 (9856-22H)\u003c/li\u003e\u003cli\u003eIBM Power System L1124 (9856-42H)\u003c/li\u003e\u003cli\u003eIBM Power System E1150 (9043-MRU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\u003c/p\u003e\u003cp\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1112 (9242-21B, 9242-21T)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003e\u003cem\u003eThe images mentioned above can be located at IBM Fix Central : \u003c/em\u003e\u003ca href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\"\u003e\u003cem\u003ehttps://www.ibm.com/support/fixcentral/\u003c/em\u003e\u003c/a\u003e\u003c/p\u003e"
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        }
      ],
      "title": "Power System Buffer Overflow"
    }
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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-17494\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-19T19:22:00.405933Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-19T19:22:06.399Z\"}}], \"cna\": {\"title\": \"Power System Buffer Overflow\", \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.2, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*\", \"cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*\", \"cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*\"], \"vendor\": \"IBM\", \"product\": \"Power Systems Firmware\", \"versions\": [{\"status\": \"affected\", \"version\": \"FW1120.00\"}, {\"status\": \"affected\", \"version\": \"FW1110.00\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"FW1110.30\"}]}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\\nPower 11\\n\\n  *  IBM Power System E1180 (9080-HEU)\\n\\n\\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\\nPower 11\\n\\n  *  IBM Power System S1122 (9824-22A)\\n  *  IBM Power System S1124 (9824-42A)\\n  *  IBM Power System S1122s (9824-22B)\\n  *  IBM Power System S1114 (9824-41B)\\n  *  IBM Power System L1122 (9856-22H)\\n  *  IBM Power System L1124 (9856-42H)\\n  *  IBM Power System E1150 (9043-MRU)\\n\\n\\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\\n\\n\\n\\nPower 11\\n\\n  *  IBM Power System S1112 (9242-21B, 9242-21T)\\n\\n\\nThe images mentioned above can be located at IBM Fix Central :  https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eCustomers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System E1180 (9080-HEU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\u003cbr/\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1122 (9824-22A)\u003c/li\u003e\u003cli\u003eIBM Power System S1124 (9824-42A)\u003c/li\u003e\u003cli\u003eIBM Power System S1122s (9824-22B)\u003c/li\u003e\u003cli\u003eIBM Power System S1114 (9824-41B)\u003c/li\u003e\u003cli\u003eIBM Power System L1122 (9856-22H)\u003c/li\u003e\u003cli\u003eIBM Power System L1124 (9856-42H)\u003c/li\u003e\u003cli\u003eIBM Power System E1150 (9043-MRU)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\u003c/p\u003e\u003cp\u003ePower 11\u003c/p\u003e\u003col\u003e\u003cli\u003eIBM Power System S1112 (9242-21B, 9242-21T)\u003c/li\u003e\u003c/ol\u003e\u003cp\u003e\u003cem\u003eThe images mentioned above can be located at IBM Fix Central : \u003c/em\u003e\u003ca href=\\\"https://www.ibm.com/support/fixcentral/\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003e\u003cem\u003ehttps://www.ibm.com/support/fixcentral/\u003c/em\u003e\u003c/a\u003e\u003c/p\u003e\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7283220\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"IBM Power Systems Firmware FW1120.00, and FW1110.00 through FW1110.30 is affected by a vulnerability in the interface between the BMC and the host system. 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FKIE_CVE-2026-17494

Vulnerability from fkie_nvd - Published: 2026-08-19 19:17 - Updated: 2026-08-20 13:03

Severity

8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7283220

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*",
            "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*"
          ],
          "product": "Power Systems Firmware",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "FW1120.00"
            },
            {
              "lessThanOrEqual": "FW1110.30",
              "status": "affected",
              "version": "FW1110.00",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "cveTags": [],
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      "lang": "en",
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    }
  ],
  "id": "CVE-2026-17494",
  "lastModified": "2026-08-20T13:03:53.360",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 6.0,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "options": [
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            },
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            },
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            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-19T19:22:00.405933Z",
          "version": "2.0.3"
        }
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  "published": "2026-08-19T19:17:11.703",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "url": "https://www.ibm.com/support/pages/node/7283220"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Awaiting Analysis",
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    {
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        {
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}

GHSA-399G-QPJ2-9X43

Vulnerability from github – Published: 2026-08-19 21:30 – Updated: 2026-08-19 21:30

Details

Severity

8.2 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-17494"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-19T19:17:11Z",
    "severity": "HIGH"
  },
  "details": "IBM Power Systems Firmware FW1120.00, and FW1110.00 through FW1110.30 is affected by a vulnerability in the interface between the BMC and the host system. An attacker with service access to the BMC can send a specially crafted command, allowing arbitrary code to be executed on the host system, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.",
  "id": "GHSA-399g-qpj2-9x43",
  "modified": "2026-08-19T21:30:31Z",
  "published": "2026-08-19T21:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17494"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7283220"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-17494 (GCVE-0-2026-17494)

FKIE_CVE-2026-17494

GHSA-399G-QPJ2-9X43

Tags

Sightings

Nomenclature