{"id":"CVE-2018-13374","published":"2019-01-22T14:29:00Z","modified":"2026-10-01T19:17:13Z","title":"Fortinet FortiOS and FortiADC Improper Access Control Vulnerability","vendor":"Fortinet","product":"FortiOS and FortiADC","tier":"core","eol":null,"description":{"text":"A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a rogue LDAP server instead of the configured one.","provenance":"source","from":"NVD"},"summary":{"text":"A flaw in the access control of Fortinet FortiOS and FortiADC allows the LDAP server login credentials configured on a FortiGate to be exposed. An attacker with low-privileged authenticated access and network reach to the device can trigger this by directing an LDAP server connectivity test at a rogue server they control, with no user interaction required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:02:57Z"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.38088,"percentile":0.98552,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-09-08","dueDate":"2022-09-29","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://www.fortiguard.com/psirt/FG-IR-18-157; https://nvd.nist.gov/vuln/detail/CVE-2018-13374","provenance":"source"},"vulncheckKev":{"dateAdded":"2021-02-16","exploitedFirstSeen":"2021-02-16","ransomware":true,"evidence":[{"url":"https://news.sophos.com/en-us/2021/02/16/conti-ransomware-attack-day-by-day/","date":"2021-02-16"},{"url":"https://www.cisa.gov/sites/default/files/publications/202105251512_Analyst%20Note_Conti%20Ransomware_TLP%20WHITE.pdf","date":"2021-05-25"},{"url":"https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/ransomware-double-extortion-and-beyond-revil-clop-and-conti","date":"2021-06-15"},{"url":"https://cybersecurityworks.com/blog/ransomware/is-conti-ransomware-on-a-roll.html","date":"2021-07-07"},{"url":"https://cybersecurityworks.com/howdymanage/uploads/file/ransomware_index-update-q221-csw.pdf","date":"2021-08-16"},{"url":"https://www.tenable.com/blog/contileaks-chats-reveal-over-30-vulnerabilities-used-by-conti-ransomware-affiliates","date":"2022-03-24"},{"url":"https://static.tenable.com/marketing/whitepapers/Whitepaper-Ransomware_Ecosystem.pdf","date":"2022-06-22"},{"url":"https://www.securin.io/articles/all-about-conti-ransomware/","date":"2022-06-29"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-09-08"}],"evidenceTotal":9,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-732","name":"Incorrect Permission Assignment for Critical Resource"}],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-18-157","tags":["Vendor Advisory"]},{"url":"https://fortiguard.com/advisory/FG-IR-18-157","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13374","tags":["US Government Resource"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2018-5318","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-5318","exploited":true,"exploitedSince":"2022-09-08","provenance":"source"},"exploits":[{"id":46171,"url":"https://www.exploit-db.com/exploits/46171","title":"Fortinet FortiGate FortiOS < 6.0.3 - LDAP Credential Disclosure","type":"webapps","platform":"hardware","date":"2019-01-16","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2019-01-16"},"pocGithub":{"count":1,"skipped":0,"earliest":"2026-03-27","earliestUrl":"https://github.com/Justjeff211/conti-ransomware-writeup","repos":[{"name":"Justjeff211/conti-ransomware-writeup","url":"https://github.com/Justjeff211/conti-ransomware-writeup","stars":0,"created":"2026-03-27"}]},"first":{"date":"2019-01-16","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/46171"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2019-01-16","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-46171); later: PoC-in-GitHub 2026-03-27","url":"https://www.exploit-db.com/exploits/46171","provenance":"source"},{"date":"2019-01-22","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-13374","provenance":"source"},{"date":"2021-02-16","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://news.sophos.com/en-us/2021/02/16/conti-ransomware-attack-day-by-day/","provenance":"source"},{"date":"2022-09-08","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-09-08","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-5318","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Exploit-DB","daysToKev":1325},"priority":{"score":75.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 2081 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.71,"detail":"percentile 0.9855"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 Exploit-DB entry; 1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":3.01,"detail":"base score 4.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}