Vulnerability-Lookup

FKIE_CVE-2020-36827

Vulnerability from fkie_nvd - Published: 2024-03-24 01:15 - Updated: 2026-06-17 03:16

Severity

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

Summary

The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.

References

	URL	Tags
	cve@mitre.org	https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
	cve@mitre.org	https://metacpan.org/dist/XAO-Web/changes
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
	af854a3a-2127-422b-91ae-364da2661108	https://metacpan.org/dist/XAO-Web/changes

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The XAO::Web module before 1.84 for Perl mishandles \u003c and \u003e characters in JSON output during use of json-embed in Web::Action."
    },
    {
      "lang": "es",
      "value": "El m\u00f3dulo XAO::Web anterior a 1.84 para Perl maneja mal los caracteres \u0026lt; and \u0026gt; en la salida JSON durante el uso de json-embed en Web::Action."
    }
  ],
  "id": "CVE-2020-36827",
  "lastModified": "2026-06-17T03:16:16.090",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-36827",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-03-25T18:31:35.133291Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-03-24T01:15:45.453",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://metacpan.org/dist/XAO-Web/changes"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://metacpan.org/dist/XAO-Web/changes"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-791"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2020-36827 (GCVE-0-2020-36827)

Vulnerability from cvelistv5 – Published: 2024-03-24 00:00 – Updated: 2025-03-28 23:56

Summary

The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-03-25 18:31 UTC

CWE

n/a
CWE-791 - Incomplete Filtering of Special Elements

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/amaltsev/XAO-Web/commit/20dd1d…
https://metacpan.org/dist/XAO-Web/changes

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-36827",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-25T18:31:35.133291Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-791",
                "description": "CWE-791 Incomplete Filtering of Special Elements",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-28T23:56:30.991Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:37:06.916Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://metacpan.org/dist/XAO-Web/changes"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The XAO::Web module before 1.84 for Perl mishandles \u003c and \u003e characters in JSON output during use of json-embed in Web::Action."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-24T00:03:56.622Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4"
        },
        {
          "url": "https://metacpan.org/dist/XAO-Web/changes"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-36827",
    "datePublished": "2024-03-24T00:00:00.000Z",
    "dateReserved": "2024-03-23T00:00:00.000Z",
    "dateUpdated": "2025-03-28T23:56:30.991Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
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.