CVE-2020-11491

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.

CVSS v3.1

4.9 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

4.0 MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS

7.87% chance of exploitation in the next 30 days, 94th percentile

Published

2020-04-02

Updated

2024-08-04

Proof-of-concept exploits (2)

• http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.html
• c610/tmp/blob/master/zenload4patreons.zip

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/zenload_balancer_t…

References

• CVE Record
• NVD entry

Related

• CVE-2018-6393
• CVE-2019-7300
• CVE-2020-11490
• CVE-2020-11492
• CVE-2020-11476
• CVE-2020-11493