Siemens SIMATIC S7-1500 Observable Discrepancy (CVE-2020-14145)

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts where no host key for the server has been cached by the client. NOTE: some reports...

Siemens SIMATIC S7-1500 Integer Overflow or Wraparound (CVE-2017-15422)

Integer overflow in international date handling in International Components for Unicode ICU for C/C++ before 60.1, as used in V8 in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. This plugin only...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2022-1271)

An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name for example, a crafted file name, this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation...

Siemens SIMATIC S7-1500 Improper Resource Locking (CVE-2024-26773)

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4mbtrybestfound. 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-2020-29573)

sysdeps/i386/ldbl2mpn.c in the GNU C Library aka glibc or libc6 before 2.23 on x86 targets has a stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long double with a non-canonical bit pattern, as seen when passing a...

Siemens SIMATIC S7-1500 and Ruggedcom ROX Devices Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-2023-29383)

In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn change finger. Although it is not possible to exploit this directly e.g., adding a new user fails because \n is in the block list, it is possible to misrepresent the /etc/passwd file when...

Siemens SIMATIC S7-1500 Detection of Error Condition Without Action (CVE-2025-26465)

A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. Fo...

Siemens SIMATIC S7-1500 Divide By Zero (CVE-2024-26777)

In the Linux kernel, the following vulnerability has been resolved: fbdev: sis: Error out if pixclock equals zero 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...

Siemens SIMATIC and SCALANCE Protection Mechanism Failure (CVE-2023-4039)

A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application without this being detected. This stack-protector failure only applies to C99-style...

Siemens SIMATIC and SCALANCE Improper Access Control (CVE-2025-1390)

The PAM module pamcap.so of libcap configuration supports group names starting with @, during actual parsing, configurations not starting with @ are incorrectly recognized as group names. This may result in nonintended users being granted an inherited capability set, potentially leading to securi...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-38408)

The PKCS11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. Code in /usr/lib is not necessarily safe for loading into ssh-agent. NOTE: this issue exists because o...

Siemens SIMATIC S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2017-7376)

Buffer overflow in libxml2 allows remote attackers to execute arbitrary code by leveraging an incorrect limit for port values when handling redirects. 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 Generation of Error Message Containing Sensitive Information (CVE-2022-0563)

A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an INPUTRC environment variable to get a path to the library config file. When the library cannot parse the specified file, it prints an error message containing data from the...

Siemens SIMATIC S7-1500 Improper Certificate Validation (CVE-2021-28363)

The urllib3 library 1.26.x before 1.26.4 for Python omits SSL certificate validation in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy if an SSLContext isn't given via proxyconfig doesn't verify the hostname of the certificate. This means certificates for...

Siemens SIMATIC S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2024-56779)

nfsd: fix nfs4openowner leak when concurrent nfsd4open occur The action force umountumount -f will attempt to kill all rpctask even umount operation may ultimately fail if some files remain open. Consequently, if an action attempts to open a file, it can potentially send two rpctask to nfs server...

Siemens SIMATIC S7-1500 Out-of-bounds Write (CVE-2020-19189)

Buffer Overflow vulnerability in postprocessterminfo function in tinfo/parseentry.c:997 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 Loop with Unreachable Exit Condition (CVE-2019-20907)

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because procpax lacks header validation. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-1010180)

GNU gdb All versions is affected by: Buffer Overflow - Out of bound memory access. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution. The component is: The main gdb module. The attack vector is: Open an ELF for debugging. The fixed version is: Not fixed yet. This plug...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2016-10739)

In the GNU C Library aka glibc or libc6 through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the...

Siemens SIMATIC S7-1500 Insufficient Verification of Data Authenticity (CVE-2021-22947)

When curl = 7.20.0 and = 7.20.0 and = 7.78.0 connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade...