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 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-2020-19190)

Buffer Overflow vulnerability in ncfindentry in tinfo/comphash.c:70 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. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-2019-18348)

An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n specifically in the host component of a URL follow...

Siemens SIMATIC S7-1500 Improper Handling of Length Parameter Inconsistency (CVE-2024-37370)

In MIT Kerberos 5 aka krb5 before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2023-34969)

D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus- daemon. If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemo...

Siemens SIMATIC S7-1500 Improper Validation of Integrity Check Value (CVE-2021-22922)

When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the metalink XML file.The metalink XML file points out to the client how to get the same contentfrom a set of different URLs, potentially hosted by different servers and...

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 Restriction of Operations within the Bounds of a Memory Buffer (CVE-2023-52444)

"In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link1: f2fsrename ... if olddir != newdir && !whiteout f2fssetlinkoldinode, olddirentry, olddirpage, newdir %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...

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 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 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 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 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 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 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 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 NULL Pointer Dereference (CVE-2021-37750)

The Key Distribution Center KDC in MIT Kerberos 5 aka krb5 before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/dotgsreq.c via a FAST inner body that lacks a server field. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for...