High severity · published Apr 9, 2019
CVE-2019-10631
Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different…
8.8
CVSS
2.2%
EPSS
No
On KEV
Description
Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Nas326 Firmware · Zyxel
through 5.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-10631
Exploit
http://maxwelldulin.com/BlogPost?post=3236967424
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