Cybersecurity Red Alert: CISA Orders Emergency Disconnect of Ivanti VPNs Amid Hacker Exploits!

Facing a comedy of errors, CISA plays bouncer for Ivanti VPN appliances, giving them the boot from federal agency networks due to a laughable number of zero-day vulnerabilities. Patch up or disconnect by Friday—or it’s cyber-curtains! 🛑🔒 #CybersecurityMeltdown

Hot Take:

Forget speed dating, federal agencies are speed dumping Ivanti VPN appliances like they’re hot potatoes with a bad case of the cyber-flu. CISA’s not playing matchmaker here; they’re more like the strict parent enforcing a curfew. If zero-days were zombies, this is the part where we board up the windows and doors—but with firewalls and patches instead of plywood.

Key Points:

  • CISA has put on its bossy boots, ordering federal agencies to disconnect Ivanti VPN appliances within 48 hours due to a swarm of zero-day vulnerabilities.
  • Ivanti is juggling zero-days like a street performer, with CVE-2023-46805 and CVE-2024-21887 being the balls everyone’s watching.
  • Over 2,200 Ivanti devices have been compromised, with security experts believing this number to be just the tip of the iceberg.
  • Post-disconnection, CISA wants agencies to play Sherlock on their networks, looking for digital footprints and suspicious privilege-level account activities.
  • Ivanti has patched up some of the holes in its digital ship and recommends a factory reset to make sure no cyber-stowaways remain on board.
Cve id: CVE-2024-21887
Cve state: PUBLISHED
Cve assigner short name: hackerone
Cve date updated: 01/12/2024
Cve description: A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.

Cve id: CVE-2023-46805
Cve state: PUBLISHED
Cve assigner short name: hackerone
Cve date updated: 01/12/2024
Cve description: An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure allows a remote attacker to access restricted resources by bypassing control checks.

Cve id: CVE-2024-21893
Cve state: PUBLISHED
Cve assigner short name: hackerone
Cve date updated: 01/31/2024
Cve description: A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.

Cve id: CVE-2024-21888
Cve state: PUBLISHED
Cve assigner short name: hackerone
Cve date updated: 01/31/2024
Cve description: A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.

Need to know more?

Disconnect or Despair

When CISA says jump, you don't just ask "how high?"—you disconnect your Ivanti VPN appliances before you land. It's an emergency directive that's got federal agencies scrambling faster than folks on a Black Friday sale. CISA's usually the patient type, giving weeks for patches, but with Ivanti, they've switched to "urgently evict these devices" mode.

Hackers' Playground or Ivanti's Nightmare?

Security researchers have spotted Chinese-backed cyber maestros pulling the strings behind the Ivanti puppet show, exploiting not one, but two CVEs since December. Ivanti, in a somewhat belated "Oh no!" moment, found two more CVEs, with one already being the VIP guest in targeted attack parties.

Counting the Compromised

Volexity's head honcho, Steven Adair, is out here counting compromised Ivanti devices like they're sheep jumping over a firewall, and he's not even halfway to a good night's sleep. Apparently, 2,200 devices are confirmed to have seen better days, and the number's just climbing like a cyber-athlete.

After the Disconnect: The Hunt Continues

CISA's directive doesn't end at "See ya, wouldn't wanna be ya" to Ivanti appliances. Oh no, it's just the beginning. Agencies are now on a high-stakes game of hide and seek, looking for any traces of cyber shenanigans that might have slipped through the cracks. And while they're at it, they need to keep an eye on those with the digital "keys to the kingdom," because privilege abuse is the cherry on top of the hack sundae.

Restoration with Reservations

Sure, Ivanti has patches ready to go like band-aids for your digital boo-boos, but CISA's not about slapping them on and hoping for the best. They want agencies to go for the full monty—factory resets to ensure there are no lingering malwares playing hide-and-seek in the system. And when it's time to bring those Ivanti appliances back online, CISA's making sure it's like a grand reopening—everything fresh, clean, and updated, no lingering cyber dust bunnies allowed.
Tags: Chinese state-backed hackers, CVE-2023-46805, Federal Agencies, Ivanti VPN vulnerabilities, Software Patching, threat hunting, Zero-Day Exploits