CVE-2017-11506 json
When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate…
published 2017-08-09 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3123
- cvss
- 7.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.4 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Tenable Nessus
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
tenable.com
/security/tns-2017-11
vendor-advisory
-
securitytracker.com
/id/1039141
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-11506
- NVD CVE-2017-11506
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