Vulnerability-Lookup

CVE-2025-34023 (GCVE-0-2025-34023)

Vulnerability from cvelistv5 – Published: 2025-06-20 18:37 – Updated: 2026-10-29 21:15 X_Known Exploited Vulnerability

Shadowserver Previdian

Title

Karel IP Phone IP1211 Path Traversal

Summary

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC.

Severity

8.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-23 20:38 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 7829 records in the last 180 days details

References

3 references

URL	Tags
https://web.archive.org/web/20201020023943/https:…	product
https://cxsecurity.com/issue/WLB-2020100038	third-party-advisoryexploit
https://www.exploit-db.com/exploits/48857	third-party-advisoryexploit

Impacted products

1 product

Vendor	Product	Version	CPE status
Karel	Karel IP Phone IP1211	Affected: 0 , ≤ * (custom)	guessed

Date Public

2020-10-06 00:00

Credits

Berat Gokberk Isler

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: af422ff0-74f8-4794-92e8-91afe2d7481f

Vulnerability ID: CVE-2025-34023

Status: Confirmed

Status Updated: 2026-11-10 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-01-15

Asserted: 2026-01-15

Last Seen: 2026-11-10

Scope

Asset Exposure: ['internet-facing']

Notes: Affected: Karel / Karel IP Phone IP1211 | Class: other-software | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-11-10: 2

Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details

1D	1
Iot	yes
Feed	Shadowserver Foundation honeypot/exploited-vulnerabilities
Type	http-scan
Class	other-software
7D Avg	0
Vendor	Karel
30D Avg	0
90D Avg	1
Product	Karel IP Phone IP1211
Cisa Kev	no
Connections	2
Observation Date	2026-11-10
Vulnerability Class	None
Vulnerability Score	None
Vulnerability Severity	None

References

Created: 2026-07-01 05:54 UTC | Updated: 2026-11-12 01:01 UTC

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: ba99fa21-4375-4e91-bece-66d3d0e2238b

Vulnerability ID: CVE-2025-34023

Status: Confirmed

Status Updated: 2026-05-11 00:00 UTC

Exploited: Yes

Timestamps

First Seen: 2026-05-11

Asserted: 2026-05-11

Scope

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details

Feed	KEVIntel (kevintel.com)
Title	Karel IP Phone IP1211 Path Traversal
Vendor	Karel
Product	Karel IP Phone IP1211
Added Date	2026-05-11T00:00:00.000Z
Cvss Score	8.5
Epss Score	0.01845
Cvss Severity	HIGH
Epss Percentile	0.8334
Used In Malware	unknown
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-34023

Vulnerability from fkie_nvd - Published: 2025-06-20 19:15 - Updated: 2026-10-29 21:17

Shadowserver Previdian

Severity

8.5 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://cxsecurity.com/issue/WLB-2020100038
	disclosure@vulncheck.com	https://web.archive.org/web/20201020023943/https://www.karel.com.tr/urun-cozum/ip1211-ip-telefon
	disclosure@vulncheck.com	https://www.exploit-db.com/exploits/48857

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    },
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      "value": "Una vulnerabilidad de salto de ruta existe en el panel de gesti\u00f3n web del tel\u00e9fono IP Karel IP1211. El endpoint /cgi-bin/cgiServer.exx no logra sanear adecuadamente la entrada del usuario para el par\u00e1metro page, permitiendo a atacantes remotos autenticados acceder a archivos arbitrarios en el sistema subyacente mediante el uso de secuencias de salto de ruta manipuladas. La Shadowserver Foundation observ\u00f3 evidencia de explotaci\u00f3n el 02-02-2025 UTC."
    }
  ],
  "id": "CVE-2025-34023",
  "lastModified": "2026-10-29T21:17:04.310",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-34023",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-23T20:38:04.272039Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-20T19:15:36.887",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://cxsecurity.com/issue/WLB-2020100038"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://web.archive.org/web/20201020023943/https://www.karel.com.tr/urun-cozum/ip1211-ip-telefon"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.exploit-db.com/exploits/48857"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}

GHSA-37M2-9J5V-C4V4

Vulnerability from github – Published: 2025-06-20 21:32 – Updated: 2025-06-20 21:32

Details

A path traversal vulnerability exists in the Karel IP1211 IP Phone's web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences (e.g., ../../). This can expose sensitive files such as /etc/passwd and /etc/shadow.

Severity

8.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-34023"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-20T19:15:36Z",
    "severity": "HIGH"
  },
  "details": "A path traversal vulnerability exists in the Karel IP1211 IP Phone\u0027s web management panel. The /cgi-bin/cgiServer.exx endpoint fails to properly sanitize user input to the page parameter, allowing remote authenticated attackers to access arbitrary files on the underlying system by using crafted path traversal sequences (e.g., ../../). This can expose sensitive files such as /etc/passwd and /etc/shadow.",
  "id": "GHSA-37m2-9j5v-c4v4",
  "modified": "2025-06-20T21:32:07Z",
  "published": "2025-06-20T21:32:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-34023"
    },
    {
      "type": "WEB",
      "url": "https://cxsecurity.com/issue/WLB-2020100038"
    },
    {
      "type": "WEB",
      "url": "https://vulncheck.com/advisories/selea-targa-ip-camera-path-traversal"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20201020023943/https://www.karel.com.tr/urun-cozum/ip1211-ip-telefon"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/48857"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-34023 (GCVE-0-2025-34023)

Shadowserver

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Honeypot In The Wild Attempts Confidence: 70% Source: shadowserver

Details

References

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: kevintel

Details

References

FKIE_CVE-2025-34023

GHSA-37M2-9J5V-C4V4

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour