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CVE-2018-9194
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without…
Medium5.9EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- fortinet
Description
A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server's private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under VIP SSL feature when CPx being used.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
- Information disclosure
- CWE-203 (opens in a new tab)All about CWE-203 and its CVEs
Affected products
- affected 6.0.1, 6.0.0
- affected 5.4.9, 5.4.8, 5.4.7, 5.4.6
References (3)
- https://robotattack.org/ (opens in a new tab)x_refsource_MISCx_transferred
- https://fortiguard.com/advisory/FG-IR-17-302 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#144389 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-9194)Record last updated .