CVE-2020-11491 json
Monitoring::Logs in Zen Load Balancer 3.10.1 allows remote authenticated admins to conduct absolute path traversal attacks, as demonstrated…
published 6y ago modified 4mo ago also EUVD-2020-3844
- cvss
- 4.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.9%
- EPSS 7.9% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Metasploit
Summary
Monitoring::Logs in Zen Load Balancer 3.10.1 allows remote authenticated admins to conduct absolute path traversal attacks, as demonstrated by a filelog=/etc/shadow request to index.cgi.
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- Published
- First public exploit (Metasploit auxiliary/scanner/http/zenload_balancer_traversal)
Exploit prediction
7.87% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit auxiliary/scanner/http/zenload_balancer_traversal Zen Load Balancer Directory Traversal metasploit auxiliary, normal rank, 2020-04-10
- code610.blogspot.com http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.html referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/c610/tmp/blob/master/zenload4patreons.zip referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
code610.blogspot.com
/2020/03/pentesting-zen-load-balancer-quick.html
exploit, third-party-advisory
-
github.com
/c610/tmp/blob/master/zenload4patreons.zip
exploit, third-party-advisory
Sources
- CVE List CVE-2020-11491
- NVD CVE-2020-11491
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