Vulnerability Details : 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.
Vulnerability category: Directory traversal
Exploit prediction scoring system (EPSS) score for CVE-2020-11491
Probability of exploitation activity in the next 30 days: 0.41%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-11491
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
NIST |
CWE ids for CVE-2020-11491
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The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11491
-
http://code610.blogspot.com/2020/03/pentesting-zen-load-balancer-quick.html
code16: Pentesting Zen Load Balancer - quick tutorialExploit;Third Party Advisory
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https://github.com/c610/tmp/blob/master/zenload4patreons.zip
tmp/zenload4patreons.zip at master · c610/tmp · GitHubExploit;Third Party Advisory
Products affected by CVE-2020-11491
- cpe:2.3:a:zevenet:zen_load_balancer:3.10.1:*:*:*:*:*:*:*