Siemens SIMATIC S7-1500 Improper Restriction of XML External Entity Reference (CVE-2018-20843)

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing enough to be usable for denial-of-service attacks. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2025-21864)

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

Siemens SIMATIC S7-1500 Improper Link Resolution Before File Access (CVE-2021-28153)

An issue was discovered in GNOME GLib before 2.66.8. When gfilereplace is used with GFILECREATEREPLACEDESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is...

Siemens SIMATIC S7-1500 Improper Neutralization of CRLF Sequences (CVE-2019-9740)

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n specifically in the query string after a ? charact...

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 Exposure of Sensitive Information to an Unauthorized Actor (CVE-2021-22876)

curl 7.1.1 to and including 7.75.0 is vulnerable to an Exposure of Private Personal Information to an Unauthorized Actor by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header fiel...

Siemens SIMATIC S7-1500 Heap-based Buffer Overflow (CVE-2023-4016)

Under some circumstances, this weakness allows a user who has access to run the ps utility on a machine, the ability to write almost unlimited amounts of unfiltered data into the process heap. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mor...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2023-46219)

When saving HSTS data to an excessively long file name, curl could end up removing all contents, making subsequent requests using that file unaware of the HSTS status they should otherwise use. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mo...

Siemens SIMATIC S7-1500 Concurrent Execution using Shared Resource with Improper Synchronization (CVE-2024-26645)

In the Linux kernel, the following vulnerability has been resolved: tracing: Ensure visibility when inserting an element into tracingmap. 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 Integer Overflow or Wraparound (CVE-2024-45491)

An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms where UINTMAX equals SIZEMAX. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2020-24977)

GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at libxml2/entities.c. The issue has been fixed in commit 50f06b3e. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2022-22826)

nextScaffoldPart 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 scriptid504222;...

Siemens SIMATIC S7-1500 Double Free (CVE-2025-32988)

A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name SAN entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1deletestructure on an ASN.1 node it do...

Siemens SIMATIC S7-1500 Incorrect Type Conversion or Cast (CVE-2020-10735)

A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using inttext, a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits float, decimal, int.frombytes, and int for binary bases 2, 4, 8, 16, and 32 are not...

Siemens SIMATIC S7-1500 Improper Validation of Certificate with Host Mismatch (CVE-2024-2466)

libcurl did not check the server certificate of TLS connections done to a host specified as an IP address, when built to use mbedTLS. libcurl would wrongly avoid using the set hostname function when the specified hostname was given as an IP address, therefore completely skipping the certificate...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2017-0663)

A remote code execution vulnerability in libxml2 could enable an attacker using a specially crafted file to execute arbitrary code within the context of an unprivileged process. This issue is rated as High due to the possibility of remote code execution in an application that uses this library...

Siemens SIMATIC S7-1500 Improper Privilege Management (CVE-2020-13776)

systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082. Thi...

Siemens SIMATIC S7-1500 Use After Free (CVE-2023-4813)

A flaw was found in glibc. In an uncommon situation, the gaihinet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue...

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-2021-4209)

A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances. This plugin only works with Tenable.ot. Pleas...