Siemens SIMATIC S7-1500 Use of a Broken or Risky Cryptographic Algorithm (CVE-2020-13777)

GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3. The earliest affected version is 3.6.4 2018-09-24 because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2020-25710)

A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23. The highest threat from this vulnerability is to system availability. This plugin only works with Tenable.ot. Plea...

Siemens SIMATIC S7-1500 Observable Discrepancy (CVE-2019-13627)

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-27538)

libcurl would reuse a previously created connection even when an SSH related option had been changed that should have prohibited reuse. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, two SSH settings were...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2019-9923)

paxdecodeheader in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenabl...

Siemens SIMATIC S7-1500 Use After Free (CVE-2021-20227)

A flaw was found in SQLite's SELECT query functionality src/select.c. This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerabilit...

Siemens SIMATIC S7-1500 Improper Validation of Integrity Check Value (CVE-2021-22922)

When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the metalink XML file.The metalink XML file points out to the client how to get the same contentfrom a set of different URLs, potentially hosted by different servers and...

Siemens SIMATIC S7-1500 Race Condition (CVE-2025-21701)

net: vulnerability arises because unregisternetdevicemanynotify might run before the rtnl lock section of ethnl operations, leading to potential use of destroyed locks, which is fixed by denying operations on devices being unregistered. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Missing Encryption of Sensitive Data (CVE-2016-3189)

Use-after-free vulnerability in bzip2recover in bzip2 1.0.6 allows remote attackers to cause a denial of service crash via a crafted bzip2 file, related to block ends set to before the start of the block. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2025-21724)

iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex. Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant 1 of type int by bitmap-mapped.pgshift an unsigned long value could result in undefined behavior. The constant 1 defaults to a...

Siemens SIMATIC S7-1500 Always-Incorrect Control Flow Implementation (CVE-2024-56770)

net/sched: netem: The interface fully stops transferring packets and locks. In this case, the child qdisc and tfifo are empty, but 'qlen' indicates the tfifo is at its limit and no more packets are accepted. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Improper Initialization (CVE-2019-19126)

On the x86-64 architecture, the GNU C Library aka glibc before 2.31 fails to ignore the LDPREFERMAP32BITEXEC environment variable during program execution after a security transition, allowing local attackers to restrict the possible mapping addresses for loaded libraries and thus bypass ASLR for...

Siemens SIMATIC S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2023-52444)

"In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link1: f2fsrename ... if olddir != newdir && !whiteout f2fssetlinkoldinode, olddirentry, olddirpage, newdir %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...

Siemens SIMATIC S7-1500 Reachable Assertion (CVE-2020-25709)

A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP's slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability. This plugin only works with Tenable.ot. Please visit...

Siemens RUGGEDCOM ROX, SIMATIC S7-1500 Improper Authentication (CVE-2022-22576)

An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocol...

Siemens SIMATIC S7-1500 Deadlock (CVE-2023-52699)

In the Linux kernel, the following vulnerability has been resolved: sysv: don't call sbbread with pointerslock held syzbot is reporting sleep in atomic context in SysV filesystem 1, for sbbread is called with rwspinlock held. A writelock&pointerslock = readlock&pointerslock deadlock bug and a...

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 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...

Siemens SIMATIC S7-1500 Return of Pointer Value Outside of Expected Range (CVE-2024-33602)

nscd: netgroup cache assumes NSS callback uses in-buffer strings The Name Service Cache Daemon's nscd netgroup cache can corrupt memory when the NSS callback does not store all strings in the provided buffer. The flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerabili...

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...