Search

Find a vulnerability

Search criteria Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.

    2 vulnerabilities found for portable HTTP/Web server by Zervit

    CVE-2025-13826 (GCVE-0-2025-13826)

    Vulnerability from nvd – Published: 2026-04-21 08:19 – Updated: 2026-04-21 13:23
    VLAI
    Title
    Incorrect input validation on the Zervit portable HTTP/Web server
    Summary
    Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper input validation
    Assigner
    Impacted products
    Date Public
    2026-04-21 08:15
    Credits
    Rafael Pedrero
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-13826",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-21T13:23:17.463408Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-21T13:23:30.712Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "portable HTTP/Web server",
              "vendor": "Zervit",
              "versions": [
                {
                  "status": "affected",
                  "version": "0"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:zervit:portable_http_web_server:0:*:*:*:*:*:*:*",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ],
              "operator": "OR"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Rafael Pedrero"
            }
          ],
          "datePublic": "2026-04-21T08:15:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Zervit\u0027s portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application."
                }
              ],
              "value": "Zervit\u0027s portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "YES",
                "Recovery": "USER",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "baseScore": 8.2,
                "baseSeverity": "HIGH",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "DIFFUSE",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:U/V:D/RE:L",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "LOW"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-20",
                  "description": "CWE-20 Improper input validation",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-21T08:19:57.983Z",
            "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
            "shortName": "INCIBE"
          },
          "references": [
            {
              "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-input-validation-zervit-portable-httpweb-server"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Incorrect input validation on the Zervit portable HTTP/Web server",
          "x_generator": {
            "engine": "Vulnogram 1.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "assignerShortName": "INCIBE",
        "cveId": "CVE-2025-13826",
        "datePublished": "2026-04-21T08:19:57.983Z",
        "dateReserved": "2025-12-01T14:33:41.665Z",
        "dateUpdated": "2026-04-21T13:23:30.712Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2025-13826 (GCVE-0-2025-13826)

    Vulnerability from cvelistv5 – Published: 2026-04-21 08:19 – Updated: 2026-04-21 13:23
    VLAI
    Title
    Incorrect input validation on the Zervit portable HTTP/Web server
    Summary
    Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper input validation
    Assigner
    Impacted products
    Date Public
    2026-04-21 08:15
    Credits
    Rafael Pedrero
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-13826",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-21T13:23:17.463408Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-21T13:23:30.712Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "portable HTTP/Web server",
              "vendor": "Zervit",
              "versions": [
                {
                  "status": "affected",
                  "version": "0"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:zervit:portable_http_web_server:0:*:*:*:*:*:*:*",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ],
              "operator": "OR"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Rafael Pedrero"
            }
          ],
          "datePublic": "2026-04-21T08:15:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Zervit\u0027s portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application."
                }
              ],
              "value": "Zervit\u0027s portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "YES",
                "Recovery": "USER",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
                "baseScore": 8.2,
                "baseSeverity": "HIGH",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "DIFFUSE",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:Y/R:U/V:D/RE:L",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "LOW"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-20",
                  "description": "CWE-20 Improper input validation",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-21T08:19:57.983Z",
            "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
            "shortName": "INCIBE"
          },
          "references": [
            {
              "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/incorrect-input-validation-zervit-portable-httpweb-server"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "Incorrect input validation on the Zervit portable HTTP/Web server",
          "x_generator": {
            "engine": "Vulnogram 1.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "assignerShortName": "INCIBE",
        "cveId": "CVE-2025-13826",
        "datePublished": "2026-04-21T08:19:57.983Z",
        "dateReserved": "2025-12-01T14:33:41.665Z",
        "dateUpdated": "2026-04-21T13:23:30.712Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }