High severity · published Oct 12, 2021
CVE-2021-33726
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1)
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to download arbitrary files under a user controlled path and does not correctly check if the relative path is still within the intended target directory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Sinec Nms · Siemens
before 1.0; 1.0; 1.0; 1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33726
Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf
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