- Description
- A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.
- Source
- cve@mitre.org
- NVD status
- Modified
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 5.9
- Exploitability score
- 1.6
- Vector string
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 3.5
- Impact score
- 2.9
- Exploitability score
- 6.8
- Vector string
- AV:N/AC:M/Au:S/C:N/I:N/A:P
Data from CISA
- Vulnerability name
- Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
- Exploit added on
- Mar 3, 2022
- Exploit action due
- Mar 24, 2022
- Required action
- Apply updates per vendor instructions.
- Hype score
- Not currently trending
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F8CCE837-13AF-47FB-B4C8-7720F0876229",
"versionEndExcluding": "2.0.28"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3FDE92FB-38C7-46E8-9208-BBD7872219D5"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DDDA7068-0640-4E8C-A917-DB41F6A9D66A",
"versionEndExcluding": "2.0.28"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:siemens:siplus_net_cp_1543-1:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "5D7AB0D5-FD3E-416A-975B-D212B3350433"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
]