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 Out-of-bounds Write (CVE-2019-17543)

LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4write32 related to LZ4compressdestSize, affecting applications that call LZ4compressfast with a large input. This issue can also lead to data corruption. NOTE: the vendor states only a few specific / uncommon usages of the API are at risk...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-22218)

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory. 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'; i...

Siemens SIMATIC S7-1500 Use of Incorrectly-Resolved Name or Reference (CVE-2022-27778)

A use of incorrectly resolved name vulnerability fixed in 7.83.1 might remove the wrong file when --no-clobber is used together with --remove-on-error. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2023-5156)

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-22825)

lookup 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 scriptid504022;...

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 Use After Free (CVE-2022-43680)

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XMLExternalEntityParserCreate in out-of-memory situations. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2020-7595)

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation. 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...

Siemens SIMATIC S7-1500 Use After Free (CVE-2020-1712)

A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2024-48881)

bcache: revert replacing ISERRORNULL with ISERR again. 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 scriptid503975; scriptversion"1.4";...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2019-16056)

An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To header...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2020-12243)

In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service daemon crash. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable,...

Siemens SIMATIC S7-1500 Buffer Over-read (CVE-2024-34459)

An issue was discovered in xmllint from libxml2 before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2025-26466)

A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may keep sending such packages, leading to ...

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 RUGGEDCOM ROX, SIMATIC S7-1500 Improper Certificate Validation (CVE-2022-27782)

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH...

Siemens SIMATIC S7-1500 Improper Initialization (CVE-2024-35830)

In the Linux kernel, the following vulnerability has been resolved: media: tc358743: register v4l2 async device only after successful setup Ensure the device has been setup correctly before registering the v4l2 async device, thus allowing userspace to access. This plugin only works with Tenable.o...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2020-25709)

A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP's slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2019-5094)

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability. This plugin only...