High severity · published Dec 15, 2021
CVE-2021-4110
mruby is vulnerable to NULL Pointer Dereference
7.5
CVSS
1.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MR
Mruby · Mruby
before 3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4110
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4110
Patch
https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34
Exploit
https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20
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