Siemens SIMATIC S7-1500 Use After Free (CVE-2021-3518)

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability. This plugin only works...

Siemens SIMATIC S7-1500 URL Redirection to Untrusted Site (CVE-2021-28861)

Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple / at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation page states Warnin...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2020-36226)

A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch-bvlen miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEV...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2024-56650)

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: fix LED ID check in ledtgcheck Syzbot has reported the following BUG detected by KASAN This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

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 Allocation of Resources Without Limits or Throttling (CVE-2023-23916)

An allocation of resources without limits or throttling vulnerability exists in curl v7.88.0 based on the chained HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable links in this...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-3862)

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSHMSGCHANNELREQUEST packets with an exit status message and no payload are parsed. 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...

Siemens SIMATIC S7-1500 Signal Handler Race Condition (CVE-2025-4598)

A vulnerability was found in systemd-coredump. This flaw allows an attacker to force a SUID process to crash and replace it with a non- SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the origin...

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 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 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 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 Heap-based Buffer Overflow (CVE-2023-38545)

This flaw makes curl overflow a heap based buffer in the SOCKS5 proxy handshake. When curl is asked to pass along the hostname to the SOCKS5 proxy to allow that to resolve the address instead of it getting done by curl itself, the maximum length that hostname can be is 255 bytes. If the hostname ...

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 Out-of-bounds Write (CVE-2019-3863)

A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error. This plugin only works wi...

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 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 Use After Free (CVE-2016-5131)

Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function. This plugin only works with Tenable.ot. Please...

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 ...