Siemens SIMATIC S7-1500 Use After Free (CVE-2021-20227)

A flaw was found in SQLite's SELECT query functionality src/select.c. This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerabilit...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21724)

iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex. Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant 1 of type int by bitmap-mapped.pgshift an unsigned long value could result in undefined behavior. The constant 1 defaults to a...

Siemens SIMATIC S7-1500 Insecure Temporary File (CVE-2024-5742)

A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privilege...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2024-42131)

In the Linux kernel, the following vulnerability has been resolved: mm: avoid overflows in dirty throttling logic The dirty throttling logic is interspersed with assumptions that dirty limits in PAGESIZE units fit into 32-bit so that various multiplications fit into 64-bits. If limits end up bein...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21758)

ipv6: mcast: add RCU protection to mldnewpack mldnewpack can be called without RTNL or RCU being held. 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...

Siemens SIMATIC S7-1500 Deadlock (CVE-2023-52699)

In the Linux kernel, the following vulnerability has been resolved: sysv: don't call sbbread with pointerslock held syzbot is reporting sleep in atomic context in SysV filesystem 1, for sbbread is called with rwspinlock held. A writelock&pointerslock = readlock&pointerslock deadlock bug and a...

Siemens SIMATIC S7-1500 Double Free (CVE-2022-2509)

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutlspkcs7verify function. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2019-19959)

ext/misc/zipfile.c in SQLite 3.30.1 mishandles certain uses of INSERT INTO in situations involving embedded '\0' characters in filenames, leading to a memory-management error that can be detected by for example valgrind. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2022-25313)

In Expat aka libexpat before 2.4.5, an attacker can trigger stack exhaustion in buildmodel via a large nesting depth in the DTD element. 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 Use After Free (CVE-2024-53166)

block, bfq: bfqq uaf in bfqlimitdepth Set new allocated bfqq to bic or remove freed bfqq from bic are both protected by bfqd-lock, however bfqlimitdepth is deferencing bfqq from bic without the lock, this can lead to UAF if the iocontext is shared by multiple tasks. This plugin only works with...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-10531)

An issue was discovered in International Components for Unicode ICU for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend function in common/unistr.cpp. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC and SCALANCE Buffer Underflow (CVE-2025-4373)

GLib is vulnerable to an integer overflow in the gstringinsertunichar function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2020-25692)

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service. This plugin only works with...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2024-45492)

An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for mgroupSize 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...

Siemens SIMATIC S7-1500 Exposure of Sensitive Information to an Unauthorized Actor (CVE-2024-28834)

A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLSPRIVKEYFLAGREPRODUCIBLE flag, it can result in a noticeable step in nonce...

Siemens SIMATIC S7-1500 Missing Release of Resource after Effective Lifetime (CVE-2024-2398)

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit 1000, libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead lea...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2024-36934)

In the Linux kernel, the following vulnerability has been resolved: bna: ensure the copied buf is NUL terminated Currently, we allocate a nbytes-sized kernel buffer and copy nbytes from userspace to that buffer. Later, we use sscanf on this buffer but we don't ensure that the string is terminated...

Siemens SIMATIC S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2019-20388)

xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10 allows an xmlSchemaValidateStream memory leak. 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...

Siemens SIMATIC S7-1500 Stack-based Buffer Overflow (CVE-2024-33599)

nscd: Stack-based buffer overflow in netgroup cache If the Name Service Cache Daemon's nscd fixed size cache is exhausted by client requests then a subsequent client request for netgroup data may result in a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cache was...

Siemens SIMATIC S7-1500 Double Free (CVE-2021-28041)

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host. This plugin only works with Tenable.ot. Please visit...