NewA calmer, faster ZeroHour — security assessments on articles, story timelines and search from any page.

#cve-2021-22681

0 stories this week · 0 this month · 1 in 6 months · mostly security

Stories per day · 30 days

9 stories, newest first · one card per story

Security AffairsAug 2, 2026critical

CISA Urges Utilities to Remove Internet

Exploited6 min readcve-2021-22681 exploit

3

The RecordApr 7, 2026critical

FBI, Pentagon warn of Iran hacking groups targeting operational technology

3 min readcve-2021-22681 ransomware

3

Security AffairsMar 6, 2026critical

U.S. CISA adds Apple, Rockwell, and Hikvision flaws to its Known Exploited Vulnerabilities catalog

Exploited3 min readcve-2023-43000 cve-2017-7921

8

The Hacker NewsMar 6, 2026critical

Hikvision and Rockwell Automation CVSS 9.8 Flaws Added to CISA KEV Catalog

Exploited2 min readcve-2017-7921 cve-2021-22681

1

The Hacker NewsMay 23, 2024critical

Rockwell Advises Disconnecting Internet

3 min readcve-2021-22681 cve-2022-1159

4

The Hacker NewsOct 12, 2022critical

Critical Bug in Siemens SIMATIC PLCs Could Let Attackers Steal Cryptographic Keys

3 min readcve-2022-38465 cve-2020-15782

3

Help Net SecurityMar 7, 2021critical

Week in review: Exchange Servers under attack, disinformation economics, Patch Tuesday forecast

Exploited4 min readcve-2021-22681 cve-2021-26708

2

Help Net SecurityMar 1, 2021critical

Critical flaw in Rockwell PLCs allows attackers to fiddle with them (CVE-2021-22681)

2 min readcve-2021-22681 vulnerability

2

Security AffairsFeb 27, 2021critical

Experts found critical authentication bypass flaw in Rockwell software

2 min readcve-2021-22681 vulnerability

3