CVE-2021-3466
moderate-risk
Published 2021-03-25
A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
Do I need to act?
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0.42% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (7)
Affected Vendors
References (10)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1939127
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1939127
48
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
2/34 · Minimal
Exposure
14/34 · Moderate