Siemens SIMATIC S7-1500 Cleartext Transmission of Sensitive Information (CVE-2023-23915)

A cleartext transmission of sensitive information vulnerability exists in curl v7.88.0 that could cause HSTS functionality to behave incorrectly when multiple URLs are requested in parallel. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2021-43618)

GNU Multiple Precision Arithmetic Library GMP through 6.2.1 has an mpz/inpraw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot f...

HP Integrated Lights-Out Denial of Service (CVE-2004-0525)

HP Integrated Lights-Out iLO 1.10 and other versions before 1.55 allows remote attackers to cause a denial of service hang by accessing iLO using the TCP/IP reserved port zero. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC S7-1500 Use After Free (CVE-2020-13871)

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late. 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 Read (CVE-2019-3858)

An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Observable Timing Discrepancy (CVE-2024-2236)

A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts. This plugin only works with Tenable.ot. Please visit...

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 Encoding Error (CVE-2019-10160)

A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL...

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 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 Out-of-bounds Write (CVE-2019-17543)

LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4write32 related to LZ4compressdestSize, affecting applications that call LZ4compressfast with a large input. This issue can also lead to data corruption. NOTE: the vendor states only a few specific / uncommon usages of the API are at risk...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-22218)

An issue was discovered in function libssh2packetadd in libssh2 1.10.0 allows attackers to access out of bounds memory. 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'; i...

Siemens SIMATIC S7-1500 Use of Incorrectly-Resolved Name or Reference (CVE-2022-27778)

A use of incorrectly resolved name vulnerability fixed in 7.83.1 might remove the wrong file when --no-clobber is used together with --remove-on-error. 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 Out-of-bounds Write (CVE-2019-5094)

An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability. This plugin only...

Siemens SIMATIC S7-1500 Improper Limitation of a Pathname to a Restricted Directory (CVE-2019-9948)

urllib in Python 2.x through 2.7.16 supports the localfile: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen'localfile:///etc/passwd' call. This plugin only works with Tenable.ot. Please...

Siemens SIMATIC S7-1500 Unchecked Return Value (CVE-2021-4189)

A flaw was found in Python, specifically in the FTP File Transfer Protocol client library in PASV passive mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecti...

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 Buffer Over-read (CVE-2024-34459)

An issue was discovered in xmllint from libxml2 before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c. This plugin only works with Tenable.ot. Please visit...

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...