Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-53184)

um: ubd: The drvdata is not available in release. 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 scriptid504490; scriptversion"1.2";...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-56539)

wifi: mwifiex: Fix memcpy field-spanning write warning in mwifiexconfigscan. 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 scriptid504636;...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-53227)

scsi: bfa: use-after-free in bfadimmoduleexit. 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 scriptid504501; scriptversion"1.2";...

Today’s threat landscape demands a proactive OT security strategy

Today’s threat landscape demands a proactive OT security strategy By John Fokker and Mo Cashman · November 18, 2025 Overview: The operational technology OT security landscape is undergoing rapid transformation, marked by an escalation in advanced threats. As reported in Trellix’s November...

Siemens SIMATIC S7-1500 Use After Free (CVE-2023-4147)

A use-after-free vulnerability in the Linux kernel's Netfilter functionality when adding a rule with NFTARULECHAINID allows a local user to crash or escalate their privileges on the system. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens RUGGEDCOM ROS Devices Improper Check for Unusual or Exceptional Conditions (CVE-2021-42020)

The third-party component, in its TFTP functionality fails to check for null terminations in file names. If an attacker were to exploit this, it could result in data corruption, and possibly a hard-fault of the application. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC and SCALANCE Use After Free (CVE-2023-3776)

A use-after-free vulnerability in the Linux kernel's net/sched: clsfw component can be exploited to achieve local privilege escalation. If tcfchangeindev fails, fwsetparms will immediately return an error after incrementing or decrementing the reference counter in tcfbindfilter. If an attacker ca...

Siemens SIMATIC S7-1500 Observable Discrepancy (CVE-2023-0361)

A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker would need to...

Siemens SIMATIC S7-1500 Use After Free (CVE-2022-43552)

curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can and often do deny such tunnel operations using an appropriate HTTP error response code. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struc...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-15358)

In SQLite before 3.32.3, select.c mishandles query-flattener optimization, leading to a multiSelectOrderBy heap overflow because of misuse of transitive properties for constant propagation. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2021-22946)

A user can tell curl = 7.20.0 and = 7.20.0 and = 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server --ssl- reqd on the command line orCURLOPTUSESSL set to CURLUSESSLCONTROL or CURLUSESSLALL withlibcurl. This requirement...

Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2022-43551)

A vulnerability exists in curl 7.87.0 HSTS check that could be bypassed to trick it to keep using HTTP. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. However, the HSTS mechanism could be bypasse...

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 Out-of-bounds Write (CVE-2020-19187)

Buffer Overflow vulnerability in fmtentry function in progs/dumpentry.c:1100 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 Divide By Zero (CVE-2019-16168)

In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlitestat1 sz field, aka a severe division by zero in the query planner. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Exposure of Resource to Wrong Sphere (CVE-2021-22897)

curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPTSSLCIPHERLIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single static variable in the library, which has the surprising...

Siemens SIMATIC S7-1500 Improper Initialization (CVE-2020-11655)

SQLite through 3.31.1 allows attackers to cause a denial of service segmentation fault via a malformed window-function query because the AggInfo object's initialization is mishandled. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

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 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 Missing Encryption of Sensitive Data (CVE-2019-13565)

An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session encryption, and relying on the SASL security layers in slapd access controls, it is possible to obtain access that would otherwise be denied via a simple bind for any identity covered in those ACLs...