High severity · published Jul 30, 2021
CVE-2021-28966
In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir
7.5
CVSS
58%
EPSS
No
On KEV
Description
In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)58.0% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Ruby · Ruby-lang
before 2.7.3; 3.0.0 before 3.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28966
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28966
Exploit
https://hackerone.com/reports/1131465
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0004/
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