Siemens SIMATIC S7-1500 Use After Free (CVE-2020-21913)

International Components for Unicode ICU-20850 v66.1 was discovered to contain a use after free bug in the pkgcreateWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more informatio...

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 Cleartext Transmission of Sensitive Information (CVE-2023-23914)

A cleartext transmission of sensitive information vulnerability exists in curl v7.88.0 that could cause HSTS functionality fail when multiple URLs are requested serially. Using its HSTS support, curl can be instructed to use HTTPS instead of usingan insecure clear-text HTTP step even when HTTP is...

Siemens SIMATIC and SCALANCE Improper Certificate Validation (CVE-2024-8096)

When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status reports another error tha...

Siemens SIMATIC S7-1500 Use After Free (CVE-2021-3516)

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

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-1751)

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2024-2004)

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been...

Siemens SIMATIC and SCALANCE Improper Input Validation (CVE-2025-3360)

Describe what is the vulnerability about, e.g.: Affected devices do not properly validate input in the hack-me endpoint of the web service. 2. Describe what an attacker could do with it - e.g.: This could allow an unauthenticated remote attacker to execute arbitrary code on the device. This...

Siemens SIMATIC S7-1500 Improper Handling of Length Parameter Inconsistency (CVE-2024-37370)

In MIT Kerberos 5 aka krb5 before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2023-34969)

D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus- daemon. If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemo...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-19190)

Buffer Overflow vulnerability in ncfindentry in tinfo/comphash.c:70 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. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 Improper Neutralization of CRLF Sequences (CVE-2019-9947)

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 path component of a URL that...

Siemens SIMATIC S7-1500 Improper Handling of Exceptional Conditions (CVE-2019-20218)

selectExpander in select.c in SQLite 3.30.1 proceeds with WITH stack unwinding even after a parsing error. 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...

Siemens SIMATIC S7-1500 Use After Free (CVE-2024-56601)

In the Linux kernel, the following vulnerability has been resolved: net: inet: do not leave a dangling sk pointer in inetcreate sockinitdata attaches the allocated sk object to the provided sock object. If inetcreate fails later, the sk object is freed, but the sock object retains the dangling...

Siemens RUGGEDCOM ROX, SIMATIC S7-1500 Improper Certificate Validation (CVE-2022-27782)

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH...

Siemens RUGGEDCOM ROX, SIMATIC S7-1500 Uncontrolled Resource Consumption (CVE-2022-27781)

libcurl provides the CURLOPTCERTINFO option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation. Th...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Out-of-bounds Write (CVE-2023-29491)

ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable. This plugin only works with...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Inefficient Algorithmic Complexity (CVE-2024-12243)

A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to send a specially...

Siemens SIMATIC and SCALANCE Multiple Releases of Same Resource or Handle (CVE-2025-0665)

libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2025-21848)

In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfpappctrlmsgalloc Add check for the return value of nfpappctrlmsgalloc in nfpbpfcmsgalloc to prevent null pointer dereference. This plugin only works with Tenable.ot. Please visit...