CVE-2018-13379

CRITICALNVD 9.19.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.1 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 2 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
  • Linked to ransomware campaigns
CISA-KEV: ExploitedEPSS PROB: 100%CVSS: 9.1Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · epss top5pct · epss high · public exploitExposed: 2

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests.

Live · internet exposure

2 internet-exposed hosts are running an affected version of CVE-2018-13379 right now.

across 2 countries (Italy, United States)top: fortios🔒 ransomware-linked
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
9.1
EG Score
9.8(high)
EG Risk
99(Attend)
EG Risk 99/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

June 4, 2019

Last Modified

October 24, 2025

Advisory Details (2)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13379
generic

PSIRT | FortiGuard Labs

https://www.fortiguard.com/psirt/FG-IR-20-233

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 29× in last 7d / 168× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 343 total refreshes for this CVE.

  1. 2026-07-28 06:11 UTCGHSA enrichment
  2. 2026-07-28 01:52 UTCGHSA enrichment
  3. 2026-07-27 21:34 UTCGHSA enrichment
  4. 2026-07-27 19:24 UTCCISA KEV update
  5. 2026-07-27 17:17 UTCCISA KEV update
  6. 2026-07-27 17:15 UTCGHSA enrichment
  7. 2026-07-27 12:57 UTCGHSA enrichment
  8. 2026-07-27 08:33 UTCGHSA enrichment
  9. 2026-07-27 04:15 UTCGHSA enrichment
  10. 2026-07-26 23:53 UTCGHSA enrichment
  11. 2026-07-26 19:35 UTCGHSA enrichment
  12. 2026-07-26 15:17 UTCGHSA enrichment
  13. 2026-07-26 10:59 UTCEG score recompute
  14. 2026-07-26 10:58 UTCGHSA enrichment
  15. 2026-07-26 06:40 UTCGHSA enrichment
  16. 2026-07-26 02:21 UTCGHSA enrichment
  17. 2026-07-23 01:33 UTCEG score recompute
  18. 2026-07-22 22:05 UTCEG score recompute
  19. 2026-07-22 22:05 UTCGHSA enrichment
  20. 2026-07-22 19:40 UTCCISA KEV update
  21. 2026-07-22 17:46 UTCGHSA enrichment
  22. 2026-07-22 13:27 UTCGHSA enrichment
  23. 2026-07-22 09:09 UTCGHSA enrichment
  24. 2026-07-22 04:51 UTCGHSA enrichment
  25. 2026-07-22 00:28 UTCGHSA enrichment
Show 75 more
  1. 2026-07-21 18:04 UTCGHSA enrichment
  2. 2026-07-21 14:37 UTCCISA KEV update
  3. 2026-07-21 13:46 UTCGHSA enrichment
  4. 2026-07-21 09:27 UTCGHSA enrichment
  5. 2026-07-21 05:08 UTCGHSA enrichment
  6. 2026-07-21 00:49 UTCGHSA enrichment
  7. 2026-07-20 20:30 UTCGHSA enrichment
  8. 2026-07-20 16:12 UTCGHSA enrichment
  9. 2026-07-20 11:52 UTCGHSA enrichment
  10. 2026-07-20 07:34 UTCGHSA enrichment
  11. 2026-07-20 03:16 UTCGHSA enrichment
  12. 2026-07-19 22:58 UTCGHSA enrichment
  13. 2026-07-19 18:40 UTCGHSA enrichment
  14. 2026-07-19 14:22 UTCGHSA enrichment
  15. 2026-07-19 10:04 UTCGHSA enrichment
  16. 2026-07-19 05:45 UTCGHSA enrichment
  17. 2026-07-19 01:26 UTCGHSA enrichment
  18. 2026-07-18 21:08 UTCGHSA enrichment
  19. 2026-07-18 16:50 UTCGHSA enrichment
  20. 2026-07-18 12:32 UTCGHSA enrichment
  21. 2026-07-18 08:14 UTCGHSA enrichment
  22. 2026-07-18 03:56 UTCGHSA enrichment
  23. 2026-07-17 23:38 UTCGHSA enrichment
  24. 2026-07-17 19:20 UTCGHSA enrichment
  25. 2026-07-17 15:02 UTCGHSA enrichment
  26. 2026-07-17 10:44 UTCEG score recompute
  27. 2026-07-17 10:44 UTCGHSA enrichment
  28. 2026-07-17 06:26 UTCGHSA enrichment
  29. 2026-07-17 02:08 UTCGHSA enrichment
  30. 2026-07-16 21:50 UTCGHSA enrichment
  31. 2026-07-16 17:32 UTCGHSA enrichment
  32. 2026-07-16 17:04 UTCCISA KEV update
  33. 2026-07-16 13:13 UTCGHSA enrichment
  34. 2026-07-16 08:55 UTCGHSA enrichment
  35. 2026-07-16 04:37 UTCGHSA enrichment
  36. 2026-07-16 00:19 UTCGHSA enrichment
  37. 2026-07-15 20:01 UTCGHSA enrichment
  38. 2026-07-15 16:49 UTCCISA KEV update
  39. 2026-07-15 15:42 UTCGHSA enrichment
  40. 2026-07-15 15:04 UTCCISA KEV update
  41. 2026-07-15 11:24 UTCGHSA enrichment
  42. 2026-07-15 07:04 UTCGHSA enrichment
  43. 2026-07-15 02:46 UTCGHSA enrichment
  44. 2026-07-14 22:28 UTCGHSA enrichment
  45. 2026-07-14 18:10 UTCGHSA enrichment
  46. 2026-07-14 18:05 UTCCISA KEV update
  47. 2026-07-14 13:52 UTCGHSA enrichment
  48. 2026-07-14 09:34 UTCGHSA enrichment
  49. 2026-07-14 05:13 UTCGHSA enrichment
  50. 2026-07-14 00:55 UTCGHSA enrichment
  51. 2026-07-13 20:37 UTCGHSA enrichment
  52. 2026-07-13 17:07 UTCCISA KEV update
  53. 2026-07-13 16:18 UTCGHSA enrichment
  54. 2026-07-13 12:00 UTCGHSA enrichment
  55. 2026-07-13 07:42 UTCGHSA enrichment
  56. 2026-07-13 03:24 UTCGHSA enrichment
  57. 2026-07-12 23:06 UTCGHSA enrichment
  58. 2026-07-12 18:47 UTCGHSA enrichment
  59. 2026-07-12 14:29 UTCGHSA enrichment
  60. 2026-07-12 10:11 UTCGHSA enrichment
  61. 2026-07-12 05:52 UTCGHSA enrichment
  62. 2026-07-12 01:33 UTCGHSA enrichment
  63. 2026-07-11 21:15 UTCGHSA enrichment
  64. 2026-07-11 16:57 UTCGHSA enrichment
  65. 2026-07-11 12:38 UTCGHSA enrichment
  66. 2026-07-11 08:20 UTCGHSA enrichment
  67. 2026-07-11 04:02 UTCGHSA enrichment
  68. 2026-07-10 23:44 UTCGHSA enrichment
  69. 2026-07-10 19:24 UTCGHSA enrichment
  70. 2026-07-10 17:52 UTCCISA KEV update
  71. 2026-07-10 15:06 UTCGHSA enrichment
  72. 2026-07-10 10:47 UTCGHSA enrichment
  73. 2026-07-10 06:28 UTCGHSA enrichment
  74. 2026-07-10 02:09 UTCGHSA enrichment
  75. 2026-07-09 21:50 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (8 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCZierax/CVE-2018-13379
    First seen Feb 5, 2026

    CVE-2018-13379 fortiOS vulnerability POC

    Open source ↗
  • GitHub PoCB1anda0/CVE-2018-13379
    First seen Dec 14, 2020

    Fortinet FortiOS路径遍历漏洞 （CVE-2018-13379）批量检测脚本

    Open source ↗
  • GitHub PoCZeop-CyberSec/fortios_vpnssl_traversal_leak
    First seen Nov 30, 2020

    This module massively scan and exploit a path traversal vulnerability in the FortiOS SSL VPN web portal may allow an unauthenticated attacker to download FortiOS system files through specially crafted HTTP resource requests (CVE-2018-13379).

    Open source ↗
  • GitHub PoCk4nfr3/CVE-2018-13379-Fortinet
    First seen Nov 19, 2020

    FortiVuln

    Open source ↗
  • GitHub PoCBlazz3/cve2018-13379-nmap-script
    First seen Oct 14, 2019

    CVE-2018-13379 Script for Nmap NSE.

    Open source ↗
  • GitHub PoC0xHunter/FortiOS-Credentials-Disclosure
    First seen Sep 24, 2019

    CVE-2018-13379 Exploit

    Open source ↗
  • Exploit-DBEDB-47287
    First seen Aug 19, 2019

    Fortinet FortiOS 5.6.3 - 5.6.7 / FortiOS 6.0.0 - 6.0.4 - Credentials Disclosure (Metasploit)

    Open source ↗
  • Exploit-DBEDB-47288
    First seen Aug 19, 2019

    Fortinet FortiOS 5.6.3 - 5.6.7 / FortiOS 6.0.0 - 6.0.4 - Credentials Disclosure

    Open source ↗
  • GitHub PoCjpiechowka/at-doom-fortigate
    First seen Aug 18, 2019

    Fortigate CVE-2018-13379 - Tool to search for vulnerable Fortigate hosts in Rapid7 Project Sonar data anonymously through The Tor network.

    Open source ↗
  • GitHub PoCmilo2012/CVE-2018-13379
    First seen Aug 11, 2019

    CVE-2018-13379

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2018-13379?
CVE-2018-13379 is a critical vulnerability published on June 4, 2019. An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 and FortiProxy 2.0.0, 1.2.0 to 1.2.8, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 under SSL VPN web portal allows an unauthenticated attacker to download…
When was CVE-2018-13379 disclosed?
CVE-2018-13379 was first published in the National Vulnerability Database on June 4, 2019, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-13379 actively exploited?
Yes. CISA added CVE-2018-13379 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Fortinet FortiOS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-13379?
CVE-2018-13379 has a CVSS v3 base score of 9.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
Which products are affected by CVE-2018-13379?
CVE-2018-13379 affects Fortinet FortiOS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2018-13379?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-13379, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2018-13379

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