Vulnerability-Lookup

FKIE_CVE-2026-44073

Vulnerability from fkie_nvd - Published: 2026-05-21 08:16 - Updated: 2026-05-21 15:20

Severity

5.0 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Summary

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.

References

	URL	Tags
	33c584b5-0579-4c06-b2a0-8d8329fcab9c	https://netatalk.io/security/CVE-2026-44073

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions."
    }
  ],
  "id": "CVE-2026-44073",
  "lastModified": "2026-05-21T15:20:19.040",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.4,
        "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-21T08:16:22.913",
  "references": [
    {
      "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
      "url": "https://netatalk.io/security/CVE-2026-44073"
    }
  ],
  "sourceIdentifier": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-273"
        }
      ],
      "source": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
      "type": "Secondary"
    }
  ]
}

CVE-2026-44073 (GCVE-0-2026-44073)

Vulnerability from cvelistv5 – Published: 2026-05-21 07:35 – Updated: 2026-05-21 12:23

Title

seteuid failure ignored in auth modules

Summary

Severity

4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-273 - Improper Check for Dropped Privileges

Assigner

securin

References

1 reference

URL	Tags
https://netatalk.io/security/CVE-2026-44073	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Netatalk	Netatalk	Affected: 1.5.0 , ≤ 4.4.2 (semver) Unaffected: 4.5.0 (semver)

Date Public

2026-05-13 00:00

Credits

Arjun Basnet from Securin

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44073",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-21T12:22:54.006379Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-21T12:23:53.854Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Netatalk",
          "vendor": "Netatalk",
          "versions": [
            {
              "lessThanOrEqual": "4.4.2",
              "status": "affected",
              "version": "1.5.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.5.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Arjun Basnet from Securin"
        }
      ],
      "datePublic": "2026-05-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-273",
              "description": "Improper Check for Dropped Privileges",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-21T07:52:54.774Z",
        "orgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
        "shortName": "securin"
      },
      "references": [
        {
          "name": "Netatalk Security Advisory CVE-2026-44073",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://netatalk.io/security/CVE-2026-44073"
        }
      ],
      "title": "seteuid failure ignored in auth modules"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "33c584b5-0579-4c06-b2a0-8d8329fcab9c",
    "assignerShortName": "securin",
    "cveId": "CVE-2026-44073",
    "datePublished": "2026-05-21T07:35:06.589Z",
    "dateReserved": "2026-05-05T07:25:20.196Z",
    "dateUpdated": "2026-05-21T12:23:53.854Z",
    "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

FKIE_CVE-2026-44073

CVE-2026-44073 (GCVE-0-2026-44073)

Tags

Sightings

Nomenclature