Siemens SIMATIC S7-1500 Authentication Bypass by Spoofing (CVE-2020-13529)

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server. Th...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-9169)

In the GNU C Library aka glibc or libc6 through 2.29, proceednextnode in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

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...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-56570)

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird function to prevent the processing of directory inodes that lack the lookup function.This is important because such inodes can cause errors...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2024-33601)

nscd: netgroup cache may terminate daemon on memory allocation failure The Name Service Cache Daemon's nscd netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a memory allocation failure resulting in a denial of service to the clients. The flaw was...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-42898)

PAC parsing in MIT Kerberos 5 aka krb5 before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution in KDC, kadmind, or a GSS or Kerberos application server on 32-bit platforms which have a resultant heap-based buffer overflow, and cause a denial of service ...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2020-28196)

MIT Kerberos 5 aka krb5 before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1encode.c support for BER indefinite lengths lacks a recursion limit. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Insufficiently Protected Credentials (CVE-2021-22923)

When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often...

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 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 NULL Pointer Dereference (CVE-2019-19926)

multiSelect in select.c in SQLite 3.30.1 mishandles certain errors during parsing, as demonstrated by errors from sqlite3WindowRewrite calls. NOTE: this vulnerability exists because of an incomplete fix for CVE-2019-19880. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-46836)

net-tools is a collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Inn versions up to and including 2.10, the Linux network utilities like ifconfig from the net-tools package do not properly validate the structure of /proc files when...

Siemens SIMATIC S7-1500 Allocation of Resources Without Limits or Throttling (CVE-2017-18258)

The xzhead function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service memory consumption via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file. This plugin only works with Tenable.o...

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 Use After Free (CVE-2024-53165)

In the Linux kernel, the following vulnerability has been resolved: sh: intc: Fix use-after-free bug in registerintccontroller In the error handling for this function, d is freed without ever removing it from intclist which would lead to a use after free. To fix this, let's only add it to the lis...

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 Insufficiently Protected Credentials (CVE-2022-27774)

An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that could allow an attacker to extract credentials when follows HTTPS redirects is used with authentication could leak credentials to other services that exist on different protocols ...

Siemens SIMATIC S7-1500 Use After Free (CVE-2021-20231)

A flaw was found in gnutls. A use after free issue in client sending keyshare extension may lead to memory corruption and other consequences. 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 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 Improper Certificate Validation (CVE-2024-2379)

libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the verification and returns OK, thus ignoring any certificate problems. This plugin only works wi...