{
  "threat_severity" : "Moderate",
  "public_date" : "2021-01-04T00:00:00Z",
  "bugzilla" : {
    "description" : "dovecot: IMAP hibernation function allows mail access",
    "id" : "1912455",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1912455"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.8",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-138",
  "details" : [ "An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure)." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-05-18T00:00:00Z",
    "advisory" : "RHSA-2021:1887",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "dovecot-1:2.3.8-9.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Out of support scope",
    "package_name" : "dovecot",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "dovecot",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "dovecot",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "dovecot",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-24386\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-24386\nhttps://dovecot.org/pipermail/dovecot-news/2021-January/000448.html" ],
  "name" : "CVE-2020-24386",
  "mitigation" : {
    "value" : "To mitigate this flaw, ensure that imap_hibernate_timeout is set to 0 or not set at all/commented out in both /etc/dovecot/dovecot.conf or /etc/dovecot/conf.d/20-imap.conf.",
    "lang" : "en:us"
  },
  "csaw" : false
}