legacy-vulnerabilities
Safeguard articles tagged "legacy-vulnerabilities" — guides, analysis, and best practices for software supply chain and application security.
7 articles
A 2016 SKYSEA Client View Bug Was Confirmed Exploited Nine Years Later
CVE-2016-7836, a critical authentication flaw in a Japanese endpoint management console, sat disclosed for nearly a decade before CISA confirmed active exploitation in October 2025.
From a 2010 Firefox Bug to a 2025 Vite Dev-Server Flaw: Four Unrelated Products, One Lesson
An industrial controller authentication bypass, an EoL cellular gateway RCE, a fifteen-year-old browser bug, and a Vite dev-server exposure — none related, all confirmed exploited.
A 2017 Hikvision Camera Bug Is Still Getting Exploited in 2026
CVE-2017-7921 spans seven Hikvision camera product families and grants unauthenticated privilege escalation — confirmed exploited nearly nine years after its original disclosure.
A Decade Apart: GNU Bash and InetUtils Both Land on KEV for the Same Root Cause
A 2014 Shellshock-family Bash bug and a fresh telnetd argument injection in InetUtils both reached CISA's KEV catalogue, both driven by untrusted input crossing a privilege boundary.
Eleven Microsoft CVEs From 2008 to 2013, All Confirmed Exploited This Past Year
A Windows buffer overflow from 2008, IE bugs from 2010, an Office flaw from 2009 — eleven old Microsoft vulnerabilities entered CISA's KEV catalogue, several on the exact same day.
Six More Old CVEs Just Got Confirmed Exploited, One From 2008
An eighteen-year-old Cisco IOS CSRF bug, two 2015 Red Hat findings, a 2021 deserialization flaw, and more — six vulnerabilities spanning nearly two decades, all confirmed exploited in 2026.
One CVE From 2019, One From 2023: Both Just Confirmed Exploited in 2026
A Microsoft SQL Server RCE from 2019 and an ownCloud authentication bypass from 2023 both entered CISA's KEV catalogue in the same week of August 2026 — years after their original disclosure.
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