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Vulnerability · Published Jul 12, 2022 · Assigned by siemens

CVE-2022-30938

High 7.5

In plain English

A high-severity memory corruption in EN100 Ethernet module DNP3 IP variant from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.3%top 28.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.40), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). Affected applications contains a memory corruption vulnerability while parsing specially crafted HTTP packets to /txtrace endpoint manupulating a specific argument. This could allow an attacker to crash the affected application leading to a denial of service condition

Affected products (as reported)

VendorProductVersions
Siemens EN100 Ethernet module DNP3 IP variant All versions
Siemens EN100 Ethernet module IEC 104 variant All versions
Siemens EN100 Ethernet module IEC 61850 variant All versions < V4.40
Siemens EN100 Ethernet module Modbus TCP variant All versions
Siemens EN100 Ethernet module PROFINET IO variant All versions

Weakness: CWE-119

References