github - ghsa-9w8q-pjh8-6h83

GHSA-9W8Q-PJH8-6H83

Vulnerability from github – Published: 2025-07-02 09:30 – Updated: 2025-07-02 09:30

Details

Details: The output of "sudo -l" reports the presence of "devmem" command executable as super user without using a password. This command allows to read and write an arbitrary memory area of the target device, specifying an absolute address.

Severity ?

7.0 (High)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-27021"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-266"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-02T09:15:25Z",
    "severity": "HIGH"
  },
  "details": "The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.",
  "id": "GHSA-9w8q-pjh8-6h83",
  "modified": "2025-07-02T09:30:29Z",
  "published": "2025-07-02T09:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27021"
    },
    {
      "type": "WEB",
      "url": "https://euvd.enisa.europa.eu/vulnerability/CVE-2025-27021"
    },
    {
      "type": "WEB",
      "url": "https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27021"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-27021 (GCVE-0-2025-27021)

Vulnerability from cvelistv5 – Published: 2025-07-02 08:45 – Updated: 2025-07-02 14:32

Summary

The misconfiguration in the sudoers configuration of the operating system in Infinera G42 version R6.1.3 allows low privileged OS users to read/write physical memory via devmem command line tool. This could allow sensitive information disclosure, denial of service, and privilege escalation by tampering with kernel memory. Details: The output of "sudo -l" reports the presence of "devmem" command executable as super user without using a password. This command allows to read and write an arbitrary memory area of the target device, specifying an absolute address.

Severity ?

7 (High)


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

CWE

CWE-266 - Incorrect Privilege Assignment

Assigner

ENISA

References

URL

Tags

	https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27021	government-resource
	https://euvd.enisa.europa.eu/vulnerability/CVE-20…	vdb-entry

Impacted products

	Vendor	Product	Version
	Infinera	G42	Affected: 6.1.3 , < 7.1 (semver)

Credits

Agenzia per la Cybersicurezza Nazionale

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-27021",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-02T14:31:46.993727Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
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            "descriptions": [
              {
                "cweId": "CWE-266",
                "description": "CWE-266 Incorrect Privilege Assignment",
                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2025-07-02T14:32:53.922Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "G42",
          "vendor": "Infinera",
          "versions": [
            {
              "lessThan": "7.1",
              "status": "affected",
              "version": "6.1.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Agenzia per la Cybersicurezza Nazionale"
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        }
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
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        },
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          ],
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    "dateReserved": "2025-02-18T06:59:55.888Z",
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Sightings

Author	Source	Type	Date

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-9W8Q-PJH8-6H83

CVE-2025-27021 (GCVE-0-2025-27021)

Tags

Sightings

Nomenclature