Patch It Like It’s Hot: Cisco Urgently Fixes Critical Collaboration Gateway Flaws

Beware, tech gurus! Cisco patches ‘critical’ flaws in their Expressway Series. It’s time to update before hackers RSVP to your network’s vulnerability party. #CiscoSecurityPatch 🛡️💻🚨

Hot Take:

Oh dear, Cisco’s at it again, handing out patches like Oprah with cars. “You get a patch, you get a patch, everybody gets a patch!” And just when you thought clicking links was the exclusive sport of the bored and the brave, Cisco warns us of crafty links that could turn your friendly admin into a hacker’s marionette. Let’s dive into the digital drama of patch-and-tell, shall we?

Key Points:

  • Cisco patches not one, not two, but a trio of vulnerabilities in their Expressway Series, with two being the critical kind of “I’ll take over your system now, thank you very much.”
  • Attackers could use the digital equivalent of a Jedi mind trick (a custom link) to turn victims into unwitting accomplices, especially if said victims have the coveted admin badge.
  • While the Expressway Series gets to weather this storm with patches, the TelePresence Video Communication Server is left out in the cold, having been retired last year without a pension plan.
  • Good news: Cybercriminals seem to be slacking, as there’s no evidence they’ve exploited these vulnerabilities… yet. No PoCs lurking in the cyber alleys either.
  • Extra goodies: Cisco also fixed a vulnerability that could lead to a denial of service attack, because why not throw in a bit of digital crowd control?
Cisco Expressway vulnerabilities
Cve id: CVE-2024-20255
Cve state: PUBLISHED
Cve assigner short name: cisco
Cve date updated: 02/07/2024
Cve description: A vulnerability in the SOAP API of Cisco Expressway Series and Cisco TelePresence Video Communication Server could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload.

Cve id: CVE-2024-20254
Cve state: PUBLISHED
Cve assigner short name: cisco
Cve date updated: 02/07/2024
Cve description: Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks that perform arbitrary actions on an affected device. Note: "Cisco Expressway Series" refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

Cve id: CVE-2024-20252
Cve state: PUBLISHED
Cve assigner short name: cisco
Cve date updated: 02/07/2024
Cve description: Multiple vulnerabilities in Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks that perform arbitrary actions on an affected device. Note: "Cisco Expressway Series" refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory.

Need to know more?

Gateways to Mayhem

Imagine a world where your digital gatekeepers turn against you. Well, that's the horror story Cisco's trying to prevent by patching up vulnerabilities faster than a cat on a hot tin roof. The critical bugs in question could have turned the Expressway Series into a hacker’s playground, complete with arbitrary code execution and privilege escalation slides.

Admins in the Crosshairs

If you're an admin, beware the link. It's not just a passage to the latest cat video; it's a potential trap that could grant attackers the keys to your digital kingdom. The CSRF exploit is like a digital trojan horse, inviting attackers in with a wave and a smile.

The Retired Warrior

Meanwhile, the TelePresence Video Communication Server sits in its rocking chair, reminiscing about the good old days of patches and updates. Alas, retirement means no more security blankets, leaving it to tell tales of its glory days to anyone who’ll listen.

No Sign of the Baddies

Now, for a sprinkle of optimism: it seems the cyber baddies are either on vacation or just really behind on their RSS feeds, because there's no evidence they've been exploiting these vulnerabilities. It's like throwing a surprise party and forgetting to invite the guest of honor.

Denial is Not Just a River in Egypt

Last but not least, Cisco decided to do a little housecleaning by fixing a vulnerability that could cause a denial of service attack. Because nothing ruins your digital day like a server saying, ""Nope, no service for you!"" So, there you have it, folks. Cisco's playing the digital hero, sewing patches onto the fabric of the internet. Get those updates before the hackers finish their coffee break and realize they've got work to do. And remember, in the world of cybersecurity, it's patch now or panic later! PS: If you're thirsty for more cyber-news or just want to feel like the cool tech-savvy businessperson at the water cooler, sign up for TechRadar Pro's newsletter. It's like getting the Daily Prophet, but for tech! And a virtual high-five to Sead, our cyber-scribe from Sarajevo, for delivering the digital deets. Keep on writing in the free world, buddy!