Vulnerability-Lookup

CVE-2026-19977 (GCVE-0-2026-19977)

Vulnerability from cvelistv5 – Published: 2026-08-17 03:00 – Updated: 2026-08-18 14:18

Title

EFM ipTIME A3004T Session Validation httpcon_check_session_url improper authentication

Summary

A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

10 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

10 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

10 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 14:18 UTC

CWE

CWE-287 - Improper Authentication

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/391156	vdb-entrytechnical-description
https://vuldb.com/vuln/391156/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19977	third-party-advisory
https://vuldb.com/submit/873848	third-party-advisory
https://github.com/AdminSafe/CVE/issues/1	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version	CPE status
EFM	ipTIME A3004T	Affected: 14.19.0 cpe:2.3:a:efm:iptime_a3004t::::::::

Credits

010hex (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-19977

Vulnerability from fkie_nvd - Published: 2026-08-17 03:16 - Updated: 2026-08-18 15:16

Severity

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

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/AdminSafe/CVE/issues/1
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-19977
	cna@vuldb.com	https://vuldb.com/submit/873848
	cna@vuldb.com	https://vuldb.com/vuln/391156
	cna@vuldb.com	https://vuldb.com/vuln/391156/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
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          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-18T14:18:32.059640Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-17T03:16:50.517",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/AdminSafe/CVE/issues/1"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-19977"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/873848"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391156"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/391156/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-6H4W-HX37-CQG3

Vulnerability from github – Published: 2026-08-17 03:30 – Updated: 2026-08-17 03:30

Details

Severity

10.0 (Critical)


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

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-19977"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T03:16:50Z",
    "severity": "CRITICAL"
  },
  "details": "A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-6h4w-hx37-cqg3",
  "modified": "2026-08-17T03:30:22Z",
  "published": "2026-08-17T03:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19977"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AdminSafe/CVE/issues/1"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19977"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/873848"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391156"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/391156/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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-2026-19977 (GCVE-0-2026-19977)

FKIE_CVE-2026-19977

GHSA-6H4W-HX37-CQG3

Tags

Sightings

Nomenclature