CVE-2020-11108
high-risk
Published 2020-05-11
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
Do I need to act?
!
89.6% chance of exploitation in next 30 days
EPSS score — higher than 10% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (12)
62
/ 100
high-risk
Severity
30/34 · Critical
Exploitability
27/34 · High
Exposure
5/34 · Minimal