CVE-2025-40939: Improper Access Control

A vulnerability has been identified in SIMATIC CN 4100 All versions V4.0.1. The affected device contains a USB port which allows unauthenticated connections. This could allow an attacker with physical access to the device to trigger reboot that could cause denial of service condition...

Siemens SIMATIC CN 4100 访问控制错误漏洞

The Siemens SIMATIC CN 4100 is a communication node from Siemens, Germany. The Siemens SIMATIC CN 4100 suffers from an Access Control Error vulnerability that originates when the USB port allows an unauthenticated connection, which can be exploited by an attacker to cause a denial of service...

Siemens SIMATIC CN 4100

SUMMARY SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the latest version. 2. GENERAL RECOMMENDATIONS As a general...

CVE-2025-40940: Exposure of Sensitive Information to an Unauthorized Actor

A vulnerability has been identified in SIMATIC CN 4100 All versions V4.0.1. The affected application exhibits inconsistent SNMP behavior, such as unexpected service availability and unreliable configuration handling across protocol versions. This could allow an attacker to access sensitive data,...

Siemens SIMATIC CN 4100 命令注入漏洞

The Siemens SIMATIC CN 4100 is a communication node from Siemens, Germany. The Siemens SIMATIC CN 4100 suffers from a command injection vulnerability that stems from insufficient validation of REST API input parameters, which can be exploited by an attacker to cause execution of arbitrary code...

The vulnerability of the SIMATIC Virtualization as a Service platform, related to the improper assignment of permissions for critical resources, allows an attacker to gain unauthorized access to read and modify data.

The vulnerability of SIMATIC Virtualization as a Service SiVaaS platform is related to the improper assignment of permissions for critical resources. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized read and write access to data...

Siemens SIMATIC and SCALANCE Use After Free (CVE-2023-3776)

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

Siemens SIMATIC S7-1500 Use After Free (CVE-2023-31248)

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nftchainlookupbyid failed to check whether a chain was active and CAPNETADMIN is in any user or network namespace This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mor...

Siemens SIMATIC and SCALANCE Devices Use After Free (CVE-2023-3390)

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nftablesapi.c. Mishandled error handling with NFTMSGNEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local...

Siemens SIMATIC and SCALANCE Use After Free (CVE-2023-4128)

A use-after-free vulnerability in net/sched/clsfw.c in classifiers clsfw, clsu32, and clsroute in the Linux Kernel allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak. This plugin only works with...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-38408)

The PKCS11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. Code in /usr/lib is not necessarily safe for loading into ssh-agent. NOTE: this issue exists because o...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-22822)

addBinding in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid504286;...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2022-1271)

An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name for example, a crafted file name, this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation...

Siemens SIMATIC S7-1500 Expected Behavior Violation (CVE-2022-32221)

When doing HTTPS transfers, libcurl might erroneously use the read callback CURLOPTREADFUNCTION to ask for data to send, even when the CURLOPTPOSTFIELDS option has been set, if the same handle previously was used to issue a PUT request which used that callback. This flaw may surprise the...

Siemens SIMATIC S7-1500 Use After Free (CVE-2022-43552)

curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can and often do deny such tunnel operations using an appropriate HTTP error response code. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struc...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2020-29361)

An issue was discovered in p11-kit 0.21.1 through 0.23.21. Multiple integer overflows have been discovered in the array allocations in the p11-kit library and the p11-kit list command, where overflow checks are missing before calling realloc or calloc. This plugin only works with Tenable.ot. Plea...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2019-19880)

exprListAppendList in window.c in SQLite 3.30.1 allows attackers to trigger an invalid pointer dereference because constant integer values in ORDER BY clauses of window definitions are mishandled. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2019-20907)

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because procpax lacks header validation. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Missing Initialization of Resource (CVE-2021-22898)

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2024-45491)

An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms where UINTMAX equals SIZEMAX. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...