Vulnerability-Lookup

CVE-2025-54470 (GCVE-0-2025-54470)

Vulnerability from cvelistv5 – Published: 2025-10-30 09:38 – Updated: 2025-10-30 14:01

Title

NeuVector telemetry sender is vulnerable to MITM and DoS

Summary

This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server. In affected versions, NeuVector does not enforce TLS certificate verification when transmitting anonymous cluster data to the telemetry server. As a result, the communication channel is susceptible to man-in-the-middle (MITM) attacks, where an attacker could intercept or modify the transmitted data. Additionally, NeuVector loads the response of the telemetry server is loaded into memory without size limitation, which makes it vulnerable to a Denial of Service(DoS) attack

Severity ?

8.6 (High)


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

CWE

CWE-295 - Improper Certificate Validation

Assigner

suse

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-202…
	https://github.com/neuvector/neuvector/security/a…

Impacted products

	Vendor	Product	Version
	SUSE	neuvector	Affected: 5.3.0 , < 5.3.5 (semver) Affected: 5.4.0 , < 5.4.7 (semver) Affected: 0.0.0-20230727023453-1c4957d53911 , < 0.0.0-20251020133207-084a437033b4 (semver)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-54470

Vulnerability from fkie_nvd - Published: 2025-10-30 10:15 - Updated: 2025-10-30 15:03

Severity ?

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

Summary

References

	URL	Tags
	meissner@suse.de	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-54470
	meissner@suse.de	https://github.com/neuvector/neuvector/security/advisories/GHSA-qqj3-g7mx-5p4w

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server.\n\n\nIn affected versions, NeuVector does not enforce TLS \ncertificate verification when transmitting anonymous cluster data to the\n telemetry server. As a result, the communication channel is susceptible\n to man-in-the-middle (MITM) attacks, where an attacker could intercept \nor modify the transmitted data. Additionally, NeuVector loads the \nresponse of the telemetry server is loaded into memory without size \nlimitation, which makes  it vulnerable to a Denial of Service(DoS) \nattack"
    }
  ],
  "id": "CVE-2025-54470",
  "lastModified": "2025-10-30T15:03:13.440",
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          "attackVector": "NETWORK",
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          "baseScore": 8.6,
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          "version": "3.1"
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        "exploitabilityScore": 3.9,
        "impactScore": 4.7,
        "source": "meissner@suse.de",
        "type": "Secondary"
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  },
  "published": "2025-10-30T10:15:35.257",
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GHSA-QQJ3-G7MX-5P4W

Vulnerability from github – Published: 2025-10-21 20:25 – Updated: 2025-10-30 17:15

Summary

NeuVector telemetry sender is vulnerable to MITM and DoS

Details

Impact

This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server at https://upgrades.neuvector-upgrade-responder.livestock.rancher.io.

In affected versions, NeuVector does not enforce TLS certificate verification when transmitting anonymous cluster data to the telemetry server. As a result, the communication channel is susceptible to man-in-the-middle (MITM) attacks, where an attacker could intercept or modify the transmitted data. Additionally, NeuVector loads the response of the telemetry server is loaded into memory without size limitation, which makes it vulnerable to a Denial of Service(DoS) attack.

The patched version includes the following security improvements: - NeuVector now verifies the telemetry server’s TLS certificate chain and hostname during the handshake process. This ensures that all telemetry communications occur over a trusted and verified channel. - NeuVector limits the telemetry server’s response to 256 bytes, mitigating the risk of memory exhaustion and DoS attacks.

These security enhancements are enabled by default and require no user action.

Patches

Patched versions include release v5.4.7 and above.

Workarounds

If you cannot update to a patched version, you can temporarily disable the Report anonymous cluster data, which is enabled by default in NeuVector. To change this setting, go to Settings → Configuration → Report anonymous cluster data in the NeuVector UI.

Disabling this option prevents NeuVector from sending telemetry data to the telemetry server, which helps mitigate this vulnerability.

References

If you have any questions or comments about this advisory: - Reach out to the SUSE Rancher Security team for security related inquiries. - Open an issue in the NeuVector repository. - Verify with our support matrix and product support lifecycle.

Severity ?

8.6 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
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      "package": {
        "ecosystem": "Go",
        "name": "github.com/neuvector/neuvector"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.3.0"
            },
            {
              "fixed": "5.3.5"
            }
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          "type": "ECOSYSTEM"
        }
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    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.4.6"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/neuvector/neuvector"
      },
      "ranges": [
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            },
            {
              "fixed": "0.0.0-20251020133207-084a437033b4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-54470"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295",
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-10-21T20:25:21Z",
    "nvd_published_at": "2025-10-30T10:15:35Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nThis vulnerability affects NeuVector deployments only when the `Report anonymous cluster data option` is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server at `https://upgrades.neuvector-upgrade-responder.livestock.rancher.io`.\n\nIn affected versions, NeuVector does not enforce TLS certificate verification when transmitting anonymous cluster data to the telemetry server. As a result, the communication channel is susceptible to man-in-the-middle (MITM) attacks, where an attacker could intercept or modify the transmitted data. Additionally, NeuVector loads the response of the telemetry server is loaded into memory without size limitation, which makes  it vulnerable to a Denial of Service(DoS) attack. \n\nThe patched version includes the following security improvements:\n- NeuVector now verifies the telemetry server\u2019s `TLS certificate chain` and `hostname` during the handshake process. This ensures that all telemetry communications occur over a trusted and verified channel.\n- NeuVector limits the telemetry server\u2019s response to `256 bytes`, mitigating the risk of memory exhaustion and DoS attacks.\n\nThese security enhancements are enabled by default and require no user action.\n\n\n### Patches\nPatched versions include release **v5.4.7** and above.\n\n### Workarounds\nIf you cannot update to a patched version, you can temporarily disable the Report anonymous cluster data, which is enabled by default in NeuVector.\nTo change this setting, go to **Settings** \u2192 **Configuration** \u2192 **Report anonymous cluster data** in the NeuVector UI.\n\nDisabling this option prevents NeuVector from sending telemetry data to the telemetry server, which helps mitigate this vulnerability.\n\n\n### References\nIf you have any questions or comments about this advisory:\n- Reach out to the [SUSE Rancher Security team](https://github.com/rancher/rancher/security/policy) for security related inquiries.\n- Open an issue in the [NeuVector](https://github.com/neuvector/neuvector/issues/new/choose) repository.\n- Verify with our [support matrix](https://www.suse.com/suse-neuvector/support-matrix/all-supported-versions/neuvector-v-all-versions/) and [product support lifecycle](https://www.suse.com/lifecycle/#suse-security).",
  "id": "GHSA-qqj3-g7mx-5p4w",
  "modified": "2025-10-30T17:15:01Z",
  "published": "2025-10-21T20:25:21Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/neuvector/neuvector/security/advisories/GHSA-qqj3-g7mx-5p4w"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54470"
    },
    {
      "type": "WEB",
      "url": "https://github.com/neuvector/neuvector/commit/06424701e69bf1eb76ff90180d78853fded93021"
    },
    {
      "type": "WEB",
      "url": "https://github.com/neuvector/neuvector/commit/415737cbec581a5dc5f204fac1c78b7f29ad7dc2"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-54470"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/neuvector/neuvector"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "NeuVector telemetry sender is vulnerable to MITM and DoS"
}

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

CVE-2025-54470 (GCVE-0-2025-54470)

FKIE_CVE-2025-54470

GHSA-QQJ3-G7MX-5P4W

Impact

Patches

Workarounds

References

Tags

Sightings

Nomenclature