SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-10929

A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl.

MEDIUM 5.9EPSS 0.98%

Does this matter?

Lower severity and a low EPSS score (0.98%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V20.8), SIMATIC HMI Panel (incl. SIPLUS variants) (All versions), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.4.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.8.1), SIMATIC S7-1500 Software Controller (All versions < V20.8), SIMATIC S7-PLCSIM Advanced (All versions < V3.0), SIMATIC STEP 7 (TIA Portal) (All versions < V16), SIMATIC WinCC (TIA Portal) (All versions < V16), SIMATIC WinCC OA (All versions < V3.16 P013), SIMATIC WinCC Runtime Advanced (All versions < V16), SIMATIC WinCC Runtime Professional (All versions < V16), TIM 1531 IRC (incl. SIPLUS NET variants) (All versions < V2.1). Affected devices contain a message protection bypass vulnerability due to certain properties in the calculation used for integrity protection. This could allow an attacker in a Man-in-the-Middle position to modify network traffic sent on port 102/tcp to the affected devices.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.98% probability · 60th percentile
CISA KEV
Not listed
Weakness
CWE-327
Affected
siemens/simatic et 200sp open controller cpu 1515sp pc firmware · siemens/simatic et 200sp open controller cpu 1515sp pc2 firmware · siemens/simatic s7-1200 cpu 1211c firmware · siemens/simatic s7-1200 cpu 1212c firmware · siemens/simatic s7-1200 cpu 1214c firmware · siemens/simatic s7-1200 cpu 1215c firmware · siemens/simatic s7-1200 cpu 1217c firmware · siemens/simatic s7-1500 cpu 1518 firmware · siemens/simatic s7-1500 cpu 1511c firmware · siemens/simatic s7-1500 cpu 1512c firmware · siemens/simatic net pc · siemens/simatic s7-1500 · siemens/simatic s7-plcsim advanced · siemens/simatic step 7 · siemens/simatic wincc · siemens/simatic wincc open architecture · siemens/simatic wincc runtime · siemens/simatic cp 1626 firmware · siemens/simatic tim 1531 irc firmware · siemens/simatic hmi panel firmware
Source
productcert@siemens.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.