description: A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1543-1 (6GK7543-1AX00-0XE0) (All versions < V3.0.37), SINAMICS S210 (6SL5...) (All versions >= V6.1 < V6.1 HF2), SIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions < V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.
An attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.
problem types: CWE-401: Missing Release of Memory after Effective Lifetime
affected:
{
vendor: Siemens
product: SIMATIC CP 1242-7 V2 (incl. SIPLUS variants)
versions:
status: affected, version: 0, lessThan: V3.4.29, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1243-1 (incl. SIPLUS variants)
versions:
status: affected, version: 0, lessThan: V3.4.29, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)
versions:
status: affected, version: 0, lessThan: V3.4.29, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1243-7 LTE
versions:
status: affected, version: 0, lessThan: V3.4.29, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1243-8 IRC
versions:
status: affected, version: 0, lessThan: V3.4.29, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC CP 1543-1
versions:
status: affected, version: 0, lessThan: V3.0.37, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SINAMICS S210 (6SL5...)
versions:
status: affected, version: V6.1, lessThan: V6.1 HF2, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIPLUS NET CP 1543-1
versions:
status: affected, version: 0, lessThan: V3.0.37, versionType: custom
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 7.5
baseSeverity: HIGH
]