Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21712)

md/md-bitmap: vulnerability caused by bitmapgetstats can be called even if the bitmap is destroyed or not fully initialized, leading to a kernel crash, which is fixed by synchronizing bitmapgetstats with bitmapinfo.mutex. This plugin only works with Tenable.ot. Please visit...

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 Integer Overflow or Wraparound (CVE-2022-22824)

defineAttribute in xmlparse.c in Expat aka libexpat before 2.4.3 has an integer overflow. 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 scriptid504346;...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2025-29088)

A vulnerability in sqlite allows an attacker to cause a denial of service via the SQLITEDBCONFIGLOOKASIDE component. 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 Double Free (CVE-2022-42915)

curl before 7.86.0 has a double free. If curl is told to use an HTTP proxy for a transfer with a non-HTTPS URL, it sets up the connection to the remote server by issuing a CONNECT request to the proxy, and then tunnels the rest of the protocol through. An HTTP proxy might refuse this request HTTP...

Siemens SIMATIC S7-1500 Uncontrolled Search Path Element (CVE-2020-15523)

In Python 3.6 through 3.6.10, 3.7 through 3.7.8, 3.8 through 3.8.4rc1, and 3.9 through 3.9.0b4 on Windows, a Trojan horse python3.dll might be used in cases where CPython is embedded in a native application. This occurs because python3X.dll may use an invalid search path for python3.dll loading...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition (CVE-2018-14567)

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service infinite loop via a crafted XML file that triggers LZMAMEMLIMITERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2023-39128)

GNU gdb GDB 13.0.50.20220805-git was discovered to contain a stack overflow via the function adadecode at /gdb/ada-lang.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'...

Siemens SIMATIC S7-1500 Observable Discrepancy (CVE-2023-5981)

A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS1 v1.5 padding. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

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 NULL Pointer Dereference (CVE-2019-19923)

flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN in which the right-hand side is a view. This can cause a NULL pointer dereference or incorrect results. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Restriction of XML External Entity Reference (CVE-2016-9318)

libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity XXE attacks via a crafte...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2021-41617)

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with...

Siemens SIMATIC and SCALANCE Integer Overflow to Buffer Overflow (CVE-2025-0725)

When libcurl is asked to perform automatic gzip decompression of content-encoded HTTP responses with the CURLOPTACCEPTENCODING option, using zlib 1.2.0.3 or older, an attacker-controlled integer overflow would make libcurl perform a buffer overflow. This plugin only works with Tenable.ot. Please...

Siemens SIMATIC S7-1500 Off-by-one Error (CVE-2022-3821)

An off-by-one Error issue was discovered in Systemd in formattimespan function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in formattimespan, leading to a Denial of Service. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Resource Locking (CVE-2024-26772)

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbfindbygoal Places the logic for checking if the group's block bitmap is corrupt under the protection of the group lock to avoid allocating blocks from the group with a...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2022-48522)

In Perl 5.34.0, function Sfinduninitvar in sv.c has a stack-based crash that can lead to remote code execution or local privilege escalation. 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 Restriction of XML External Entity Reference (CVE-2017-7375)

A flaw in libxml2 allows remote XML entity inclusion with default parser flags i.e., when the caller did not request entity substitution, DTD validation, external DTD subset loading, or default DTD attributes. Depending on the context, this may expose a higher- risk attack surface in libxml2 not...

Siemens SIMATIC S7-1500 Missing Initialization of Resource (CVE-2021-22898)

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-9936)

In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5hash.c. This plugin only works with Tenable.ot. Please visit...