Vulnerability Details : CVE-2021-4188
mruby is vulnerable to NULL Pointer Dereference
Vulnerability category: Memory Corruption
Products affected by CVE-2021-4188
- cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4188
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4188
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
6.8
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
2.5
|
4.2
|
huntr.dev | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-4188
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- security@huntr.dev (Secondary)
References for CVE-2021-4188
-
https://github.com/mruby/mruby/commit/27d1e0132a0804581dca28df042e7047fd27eaa8
array.c: fix `mrb_ary_shift_m` initialization bug. · mruby/mruby@27d1e01 · GitHubPatch;Third Party Advisory
-
https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28
NULL Pointer Dereference vulnerability found in mrubyExploit;Patch;Third Party Advisory
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