Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2021-37600)

An integer overflow in util-linux through 2.37.1 can potentially cause a buffer overflow if an attacker were able to use system resources in a way that leads to a large number in the /proc/sysvipc/sem file. NOTE: this is unexploitable in GNU C Library environments, and possibly in all realistic...

Siemens SIMATIC S7-1500 Insufficient Verification of Data Authenticity (CVE-2021-4122)

It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2019-19926)

multiSelect in select.c in SQLite 3.30.1 mishandles certain errors during parsing, as demonstrated by errors from sqlite3WindowRewrite calls. NOTE: this vulnerability exists because of an incomplete fix for CVE-2019-19880. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Deadlock (CVE-2024-27032)

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential panic during recovery During recovery, if FAULTBLOCK is on, it is possible that f2fsreservenewblock will return -ENOSPC during recovery, then it may trigger panic. Also, if fault injection rate is 1 a...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2021-46195)

GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service DoS by consuming excessive CPU and memory resources. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-46836)

net-tools is a collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Inn versions up to and including 2.10, the Linux network utilities like ifconfig from the net-tools package do not properly validate the structure of /proc files when...

Siemens SIMATIC S7-1500 Expected Behavior Violation (CVE-2025-32728)

In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent forwarding. 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 Unrestricted Upload of File with Dangerous Type (CVE-2019-19925)

zipfileUpdate in ext/misc/zipfile.c in SQLite 3.30.1 mishandles a NULL pathname during an update of a ZIP archive. 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 Restriction of Operations within the Bounds of a Memory Buffer (CVE-2024-52332)

igb: Fix potential invalid memory access in igbinitmodule The pciregisterdriver can fail and when this happened, the dcanotifier needs to be unregistered, otherwise the dcanotifier can be called when igb fails to install, resulting to invalid memory access. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Insufficient Verification of Data Authenticity (CVE-2021-22947)

When curl = 7.20.0 and = 7.20.0 and = 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade...

Siemens SIMATIC S7-1500 Incorrect Calculation of Buffer Size (CVE-2023-52622)

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid online resizing failures due to oversized flex bg. 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 Improper Resource Locking (CVE-2024-26773)

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbtrybestfound. 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 Improper Check for Unusual or Exceptional Conditions (CVE-2019-19646)

pragma.c in SQLite through 3.30.1 mishandles NOT NULL in an integritycheck PRAGMA command in certain cases of generated columns. 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 Out-of-bounds Write (CVE-2020-19189)

Buffer Overflow vulnerability in postprocessterminfo function in tinfo/parseentry.c:997 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...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-2023-27533)

A vulnerability in input validation exists in curl 8.0 during communication using the TELNET protocol may allow an attacker to pass on maliciously crafted user name and telnet options during server negotiation. The lack of proper input scrubbing allows an attacker to send content or perform optio...

Siemens SIMATIC S7-1500 Improper Neutralization of Special Elements used in an SQL Command (CVE-2022-29155)

In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental back-sql backend to slapd, via a SQL statement within an LDAP query. This can occur during an LDAP search operation when the search filter is processed, due to a lack of proper escaping...

Siemens SCALANCE, SIMATIC S7-1500 Use After Free (CVE-2022-23308)

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. 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 scriptid504132;...

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 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 Detection of Error Condition Without Action (CVE-2025-26465)

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...