{
  "id": "CVE-2021-28170",
  "sourceIdentifier": "emo@eclipse.org",
  "published": "2021-05-26T22:15:07.980",
  "lastModified": "2022-04-25T20:15:10.337",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Jakarta Expression Language implementation 3.0.3 and earlier, a bug in the ELParserTokenManager enables invalid EL expressions to be evaluated as if they were valid."
    },
    {
      "lang": "es",
      "value": "En la implementaci\u00f3n de Jakarta Expression Language versiones 3.0.3 y anteriores, un bug en la funci\u00f3n ELParserTokenManager permite que las expresiones EL no v\u00e1lidas sean evaluadas como si fueran v\u00e1lidas"
    }
  ],
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-917"
        }
      ]
    },
    {
      "source": "emo@eclipse.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
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    {
      "url": "https://github.com/eclipse-ee4j/el-ri/issues/155",
      "source": "emo@eclipse.org",
      "tags": [
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      "url": "https://securitylab.github.com/advisories/GHSL-2020-021-jakarta-el/",
      "source": "emo@eclipse.org",
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      "source": "emo@eclipse.org",
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}