Siemens SIMATIC S7-1500 Use After Free (CVE-2021-20231)

A flaw was found in gnutls. A use after free issue in client sending keyshare extension may lead to memory corruption and other consequences. 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 Observable Discrepancy (CVE-2021-33560)

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side- channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP. This plugin only works with...

Siemens SIMATIC S7-1500 Incorrect Calculation of Buffer Size (CVE-2025-0395)

When the assert function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size. This plugin only works with Tenable.ot...

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 Uncontrolled Search Path Element (CVE-2020-15523)

In Python 3.6 through 3.6.10, 3.7 through 3.7.8, 3.8 through 3.8.4rc1, and 3.9 through 3.9.0b4 on Windows, a Trojan horse python3.dll might be used in cases where CPython is embedded in a native application. This occurs because python3X.dll may use an invalid search path for python3.dll loading...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2018-14567)

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service infinite loop via a crafted XML file that triggers LZMAMEMLIMITERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251. This plugin only works with Tenable.ot...

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 Integer Overflow or Wraparound (CVE-2022-25314)

In Expat aka libexpat before 2.4.5, there is an integer overflow in copyString. 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 scriptid504215;...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-2004)

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been...

Siemens SIMATIC S7-1500 Use After Free (CVE-2021-3516)

There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Improper Input Validation (CVE-2023-46218)

This flaw allows a malicious HTTP server to set super cookies in curl that are then passed back to more origins than what is otherwise allowed or possible. This allows a site to set cookies that then would get sent to different and unrelated sites and domains. It could do this by exploiting a mix...

Siemens SIMATIC and SCALANCE Exposure of Sensitive Information to an Unauthorized Actor (CVE-2024-11053)

When asked to both use a .netrc file for credentials and to follow HTTP redirects, curl could leak the password used for the first host to the followed-to host under certain circumstances. This flaw only manifests itself if the netrc file has an entry that matches the redirect target hostname but...

Siemens SIMATIC S7-1500 Missing Release of Resource after Effective Lifetime (CVE-2024-27074)

In the Linux kernel, the following vulnerability has been resolved: media: go7007: fix a memleak in go7007loadencoder. 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 Improper Input Validation (CVE-2023-45918)

ncurses 6.4-20230610 has a NULL pointer dereference in tgetstr in tinfo/libtermcap.c. 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 scriptid504218;...

Siemens SIMATIC S7-1500 Improper Authentication (CVE-2023-27535)

An authentication bypass vulnerability exists in libcurl 8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain...

Siemens SIMATIC S7-1500 Insufficiently Protected Credentials (CVE-2022-27776)

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Exposure of Resource to Wrong Sphere (CVE-2019-12904)

In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. The C implementation is used on platforms where an assembly-language implementation is unavailable. NOTE: the vendor's position is...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2017-16932)

parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities. 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 scriptid504324...

Siemens SIMATIC S7-1500 Improper Certificate Validation (CVE-2021-28363)

The urllib3 library 1.26.x before 1.26.4 for Python omits SSL certificate validation in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy if an SSLContext isn't given via proxyconfig doesn't verify the hostname of the certificate. This means certificates for...

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...