CVE-2020-27213

An issue was discovered in Ethernut Nut/OS 5.1. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existin...

CVE-2020-27636

In Microchip MPLAB Net 3.6.1, TCP ISNs are improperly random...

CVE-2020-27213

An issue was discovered in Ethernut Nut/OS 5.1. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existin...

PT-2023-8395

Name of the Vulnerable Software and Affected Versions EDK2 affected versions not specified Description The EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number, which can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of...

CVE-2022-43636

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6211111 3.20.1US routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by...

K16883: TCP sequence number vulnerability CVE-1999-0077

Security Advisory Description Predictable TCP sequence numbers allow spoofing. CVE-1999-0077 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status To determine if your release is known to be vulnerable, the components or features that are affected...

K3126: Large TCP window sizes may make it easier to predict sequence numbers vulnerability CVE-2004-0230

Security Advisory Description Note : For information about signing up to receive security notice updates from F5, refer to K9970: Subscribing to email notifications regarding F5 products. Note : Versions that are not listed in this article have not been evaluated for vulnerability to this securit...

K15301: Linux kernel TCP ISN vulnerability CVE-2011-3188

Security Advisory Description The 1 IPv4 and 2 IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service disrupted networking or hijack...

SUSE CVE-1999-0077

Predictable TCP sequence numbers allow spoofing...

SUSE CVE-2000-0328

Windows NT 4.0 generates predictable random TCP initial sequence numbers ISN, which allows remote attackers to perform spoofing and session hijacking...

SUSE CVE-2000-0916

FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes, uses an insufficient random number generator to generate initial TCP sequence numbers ISN, which allows remote attackers to spoof TCP connections...

SUSE CVE-2001-0328

TCP implementations that use random increments for initial sequence numbers ISN can allow remote attackers to perform session hijacking or disruption by injecting a flood of packets with a range of ISN values, one of which may match the expected ISN...

SUSE CVE-2005-0356

Multiple TCP implementations with Protection Against Wrapped Sequence Numbers PAWS with the timestamps option enabled allow remote attackers to cause a denial of service connection loss via a spoofed packet with a large timer value, which causes the host to discard later packets because they appe...

SUSE CVE-2020-35685

An issue was discovered in HCC Nichestack 3.0. The code that generates Initial Sequence Numbers ISNs for TCP connections derives the ISN from an insufficiently random source. As a result, an attacker may be able to determine the ISN of current and future TCP connections and either hijack existing...

Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers

Overview Zuken Elmic KASAGO, TCP/IP protocol stack for embedded systems, uses its own random number generator function when generating TCP initial sequence numbers, which leads to use insufficient random values CWE-330. Zuken Elmic reported this vulnerability to JPCERT/CC to notify users of its...

CVE-2022-43501

KASAGO TCP/IP stack provided by Zuken Elmic generates ISNsInitial Sequence Number for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones...

Security Bulletin: IBM System x and Flex Systems Potential Denial of Service Due to Weak IPv4 and IPv6 Sequence Numbers

Summary Potentially predictable IPv4 and IPv6 sequence numbers generated by Linux kernels before version 3.1 may make it easier for remote attackers to cause a denial of service or hijack network sessions.. Vulnerability Details Abstract Potentially predictable IPv4 and IPv6 sequence numbers...

OpenV2G 安全漏洞

The primary scope of the OpenV2G project is to provide an open source implementation of the latest draft of the ISO/IEC Vehicle-to-Grid Communication Interface V2G CI standard.A memory corruption vulnerability exists in Siemens OpenV2G due to a missing length check in the OpenV2G EXI parsing...

Siemens OpenV2G memory corruption vulnerability

The primary scope of the OpenV2G project is to provide an open source implementation of the latest draft of the ISO/IEC Vehicle-to-Grid Communication Interface V2G CI standard.A memory corruption vulnerability exists in Siemens OpenV2G due to a missing length check in the OpenV2G EXI parsing...

Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400 Predictable Value Range From Previous Values (CVE-2017-7901)

A Predictable Value Range from Previous Values issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series...