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CVE-2021-47971highCWE-789

My Notes Safe 5.3 Denial of Service via Buffer Overflow

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.7epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.