CVE-2020-5774 json
Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios.
published 2020-08-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26933
- cvss
- 7.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios. The lack of proper session expiration could allow attackers with local access to login into an existing browser session.
Patch / fix
- tenable.com/security/tns-2020-06 advisory
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- n/a Tenable Nessus
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
References
-
tenable.com
/security/tns-2020-06
patch, vendor-advisory
Sources
- CVE List CVE-2020-5774
- NVD CVE-2020-5774
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