Siemens SIMATIC S7-1500 Use After Free (CVE-2021-20232)

A flaw was found in gnutls. A use after free issue in clientsendparams in lib/ext/presharedkey.c may lead to memory corruption and other potential consequences. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 809...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21702)

pfifotailenqueue: Drop new packet when sch-limit == 0. 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 scriptid503912; scriptversion"1.2";...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-19185)

Buffer Overflow vulnerability in oneonemapping function in progs/dumpentry.c:1373 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 Buffer Copy without Checking Size of Input (CVE-2020-12723)

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls. 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 Incorrect Conversion between Numeric Types (CVE-2021-27219)

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function gbytesnew has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. This plugin only works with Tenable.ot. Pleas...

Siemens SIMATIC S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2023-52464)

"In the Linux kernel, the following vulnerability has been resolved: EDAC/thunderx: Fix possible out-of-bounds string access Enabling -Wstringop-overflow globally exposes a warning for a common bug in the usage of strncat: drivers/edac/thunderxedac.c: In function 'thunderxocxcomthreadedisr':...

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 Insecure Temporary File (CVE-2024-5742)

A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privilege...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Inefficient Algorithmic Complexity (CVE-2024-12133)

A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate,...

Siemens SIMATIC S7-1500 Uncaught Exception (CVE-2024-28835)

A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the certtool --verify-chain 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 Input Validation (CVE-2025-21766)

ipv4: use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear. 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 Input Validation (CVE-2023-52927)

netfilter: allow exp not to be removed in nfctfindexpectation Currently nfconntrackin calling nfctfindexpectation will remove the exp from the hash table. However, in some scenario, we expect the exp not to be removed when the created ct will not be confirmed, like in OVS and TC conntrack in the...

Siemens SIMATIC S7-1500 Incorrect Calculation of Buffer Size (CVE-2025-0395)

When the assert function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size. This plugin only works with Tenable.ot...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2024-33600)

nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's nscd cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This...

Siemens SIMATIC S7-1500 Incomplete Cleanup (CVE-2024-26835)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: set dormant flag on hook register failure 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-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 RUGGEDCOM ROX, SIMATIC S7-1500 Uncontrolled Search Path Element (CVE-2019-5443)

A non-privileged user or program can put code and a config file in a known non-privileged path under C:/usr/local/ that will make curl = 7.65.1 automatically run the code as an openssl engine on invocation. If that curl is invoked by a privileged user it can do anything it wants. This plugin only...

Siemens SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2023-32636)

A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect gli...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2024-53217)

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4processcbupdate. 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 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 ...