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CVE-2019-20098

Status: ModifiedMedium (4.3)—

The VerifySmtpServerConnection!add.jspa component in Atlassian Jira Server and Data Center before version 8.7.0 is vulnerable to cross-site request forgery (CSRF). An attacker could exploit this by tricking an administrative user into making malicious HTTP requests, allowing the attacker to enumerate hosts and open ports on the internal network where Jira server is present.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Atlassian — Jira Data CenterAtlassian — Jira Server

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-20098",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
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        "impactScore": 1.4,
        "exploitabilityScore": 2.8
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  "affected": [
    {
      "source": "security@atlassian.com",
      "affectedData": [
        {
          "vendor": "Atlassian",
          "product": "Jira Server",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.7.0",
              "versionType": "custom"
            }
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  ],
  "published": "2020-02-12T14:15:11.107",
  "references": [
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-70605",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
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      "source": "security@atlassian.com"
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      "source": "security@atlassian.com"
    },
    {
      "url": "https://jira.atlassian.com/browse/JRASERVER-70605",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The VerifySmtpServerConnection!add.jspa component in Atlassian Jira Server and Data Center before version 8.7.0 is vulnerable to cross-site request forgery (CSRF). An attacker could exploit this by tricking an administrative user into making malicious HTTP requests, allowing the attacker to enumerate hosts and open ports on the internal network where Jira server is present."
    },
    {
      "lang": "es",
      "value": "El componente VerifySmtpServerConnection!add.jspa en Atlassian Jira Server and Data Center anterior a versión 8.7.0, es vulnerable a un ataque de tipo cross-site request forgery (CSRF). Un atacante podría explotar esto al engañar a un usuario administrativo para que realice peticiones HTTP maliciosas, permitiendo que el atacante enumere hosts y abra puertos en la red interna donde el servidor Jira está presente."
    }
  ],
  "lastModified": "2026-06-17T02:29:58.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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