Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2020-36223)

A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service double free and out-of-bounds read. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Release of Invalid Pointer or Reference (CVE-2020-36224)

A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2020-36226)

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch-bvlen miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEV...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2020-36230)

A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c bernextelement, resulting in denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2021-20305)

A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions GOST DSA, EDDSA & ECDSA result in the Elliptic Curve Cryptography point ECC multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allow...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Use After Free (CVE-2021-36084)

The CIL compiler in SELinux 3.2 has a use-after-free in cilverifyclassperms called from cilverifyclasspermission and cilpreverifyhelper. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Use After Free (CVE-2021-36085)

The CIL compiler in SELinux 3.2 has a use-after-free in cilverifyclassperms called from verifymappermclassperms and hashtabmap. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2021-37600)

An integer overflow in util-linux through 2.37.1 can potentially cause a buffer overflow if an attacker were able to use system resources in a way that leads to a large number in the /proc/sysvipc/sem file. NOTE: this is unexploitable in GNU C Library environments, and possibly in all realistic...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2021-41617)

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...

Siemens SCALANCE, SIMATIC S7-1500 Use After Free (CVE-2022-23308)

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. 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 scriptid504132;...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-2023-29383)

In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn change finger. Although it is not possible to exploit this directly e.g., adding a new user fails because \n is in the block list, it is possible to misrepresent the /etc/passwd file when...

Siemens SIMATIC S7-1500 Buffer Copy without Checking Size of Input (CVE-2021-3177)

Python 3.x through 3.9.1 has a buffer overflow in PyCArgrepr in ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to cdouble.fromparam. This occurs because sprintf is...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2023-44487)

The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mor...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2025-29087)

In SQLite, the concatws SQL function can cause memory to be written beyond the end of a malloc-allocated buffer. If the separator argument is attacker-controlled and has a large string e.g., 2MB or more, an integer overflow occurs in calculating the size of the result buffer, and thus malloc may...

Siemens SIMATIC S7-1500 Heap-based Buffer Overflow (CVE-2025-3277)

An integer overflow can be triggered in SQLite's 'concatws' function. The resulting, truncated integer is then used to allocate a buffer. When SQLite then writes the resulting string to the buffer, it uses the original, untruncated size and thus a wild Heap Buffer overflow of size 4GB can be...

Vulnerabilities fixed in Siemens products

Siemens has fixed vulnerabilities in several products such as Altair Grid Engine, COMOS, LOGO, SICAM, SIDOOR, SIMATIC, SIPLUS, Spectrum Power and Solid Edge. The vulnerabilities potentially enable a malicious person to carry out attacks that can lead to the following categories of damage: -...

Siemens SIMATIC Devices Improper Locking (CVE-2024-38598)

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices Out-of-bounds Read (CVE-2023-6606)

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC and SCALANCE Devices Out-of-bounds Write (CVE-2022-1015)

A flaw was found in the Linux kernel in linux/net/netfilter/nftablesapi.c of the netfilter subsystem. This flaw allows a local user to cause an out-of-bounds write issue. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices Use After Free (CVE-2024-53057)

In the Linux kernel, the following vulnerability has been resolved: net/sched: stop qdisctreereducebacklog on TCHROOT. 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...