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-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 S7-1500 Out-of-bounds Write (CVE-2020-1751)

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-19188)

Buffer Overflow vulnerability in fmtentry function in progs/dumpentry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVE...

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 Cleartext Transmission of Sensitive Information (CVE-2023-23914)

A cleartext transmission of sensitive information vulnerability exists in curl v7.88.0 that could cause HSTS functionality fail when multiple URLs are requested serially. Using its HSTS support, curl can be instructed to use HTTPS instead of usingan insecure clear-text HTTP step even when HTTP is...

Siemens SIMATIC and SCALANCE Improper Certificate Validation (CVE-2024-8096)

When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status reports another error tha...

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 NULL Pointer Dereference (CVE-2025-21848)

In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfpappctrlmsgalloc Add check for the return value of nfpappctrlmsgalloc in nfpbpfcmsgalloc to prevent null pointer dereference. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Validation of Array Index (CVE-2022-35737)

SQLite 1.0.12 through 3.39.x before 3.39.2 sometimes allows an array- bounds overflow if billions of bytes are used in a string argument to a C API. 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 Signed to Unsigned Conversion Error (CVE-2020-6096)

An exploitable signed comparison vulnerability exists in the ARMv7 memcpy implementation of GNU glibc 2.30.9000. Calling memcpy on ARMv7 targets that utilize the GNU glibc implementation with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2020-12062)

The scp client in OpenSSH 8.2 incorrectly sends duplicate responses to the server upon a utimes system call failure, which allows a malicious unprivileged user on the remote server to overwrite arbitrary files in the client's download directory by creating a crafted subdirectory anywhere on the...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Out-of-bounds Write (CVE-2023-29491)

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable. This plugin only works with...

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 Uncontrolled Resource Consumption (CVE-2023-29499)

A flaw was found in GLib. GVariant deserialization fails to validate that the input conforms to the expected format, leading to denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable,...

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 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 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 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...