Vulnerability Name:

CVE-2021-33726 (CCN-211161)

Assigned:2021-10-12
Published:2021-10-12
Updated:2021-10-18
Summary: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 v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-22
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-33726

Source: CCN
Type: Siemens Security Advisory SSA-163251
Multiple Vulnerabilities in SINEC NMS

Source: MISC
Type: Patch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf

Source: XF
Type: UNKNOWN
siemens-cve202133726-dir-trav(211161)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:siemens:sinec-nms:*:*:*:*:*:*:*:* (Version < 1.0)
  • OR cpe:/a:siemens:sinec_nms:1.0:-:*:*:*:*:*:*
  • OR cpe:/a:siemens:sinec_nms:1.0:sp1:*:*:*:*:*:*
  • OR cpe:/a:siemens:sinec_nms:1.0:sp2:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:siemens:sinec_nms:1.0:sp1:*:*:*:*:*:*
  • OR cpe:/a:siemens:sinec_nms:1.0:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    siemens sinec-nms *
    siemens sinec nms 1.0 -
    siemens sinec nms 1.0 sp1
    siemens sinec nms 1.0 sp2
    siemens sinec nms 1.0 sp1
    siemens sinec nms 1.0 -