ipdecap

ipdecap Decapsulate traffic encapsulated within GRE, IPIP, 6in4 and ESP ipsec protocols, from a pcap file. Can also remove IEEE 802.1Q virtual lan - vlan header. Documentation available at http://loicpefferkorn.net/ipdecap...

ipeeyoupeewepee

ipeeyoupeewepee A scanner and attack suite for hosts on the public internet mostly Cisco routers that forward unauthenticated packets encapsulated in the IP-in-IP and GRE protocols. This vulnerability, known as "Insecure Implementation of Tunneling Protocols," is tracked under CVE-2020-10136 and...

CVE-2023-42326

pfSense 2.7.0 Command Injection Exploit CVE-2023-42326 This Python script is a Proof-of-Concept PoC exploit for the command injection vulnerability CVE-2023-42326 in pfSense 2.7.0. The vulnerability allows authenticated attackers to inject and execute arbitrary commands via the...

CLEANSTART-2023-NJ46350 GRE parser in tcpdump before 4

Security vulnerability affects the tcpdump package. The GRE parser in tcpdump before 4...

PT-2026-122018

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.2 Description A null-pointer dereference exists in the Linux kernel when handling ERSPAN PMTU updates. A tc tunnel key action can attach a METADATA IP TUNNEL destination to an skb, which mirred can then redirect to a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142752)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142752 advisory. In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143066)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143066 advisory. In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay...

CVE-2026-20179

Multiple Cisco products are affected by a vulnerability in the Snort 3 Generic Routing Encapsulation GRE Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is...

CVE-2026-20221

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is...

EUVD-2026-107378

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is...

CVE-2026-20221 Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is...

CVE-2026-20221 Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is...

CVE-2026-20221

Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine 's generic routing encapsulation (GRE) tunnel decapsulation feature. The root cause is the improper handling of nested GRE traffic , which allows an unauthenticated, remote attacker to send a crafted GRE paylo...

CVE-2026-20179 Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the Snort 3 Generic Routing Encapsulation GRE Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is...

EUVD-2026-107373

Multiple Cisco products are affected by a vulnerability in the Snort 3 Generic Routing Encapsulation GRE Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is...

CVE-2026-20179 Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the Snort 3 Generic Routing Encapsulation GRE Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is...

CVE-2026-20179

Multiple Cisco products are impacted by a vulnerability in the Snort 3 Generic Routing Encapsulation (GRE) Detection Engine . The root cause is incomplete error checking during the parsing of GRE packets. An unauthenticated, remote attacker can exploit this by sending a crafted GRE packet to a ta...

Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerability

Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is...

Multiple Cisco Products Snort 3 DoS Vulnerabilities (cisco-sa-snort3-misc-dos-6mB22qAK_CVE-2026-20019_CVE-2026-20179_CVE-2026-20197)

According to its self-reported version, Cisco ASA Software is affected by multiple vulnerabilities. - Multiple Cisco products are affected by a vulnerability in the Snort 3 NetFlow Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to...

Cisco FTD: CVE-2026-20179: Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities

Multiple Cisco products are affected by a vulnerability in the Snort 3 Generic Routing Encapsulation GRE Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is...