Mai Xuan Cuong @cuongmx
Joined August 2011-
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Blog for ToolShell Disclaimer: The content of this blog is provided for educational and informational purposes only. blog.viettelcybersecurity.com/sharepoint-too… #SharePoint #ToolShell
🚨 Shocking impact from the SharePoint vulnerability we found at Pwn2Own! 😱 Despite our efforts to patch it 🤝, many systems are still at risk ⚠️. Secure yours now! 🔒 Details: blog.viettelcybersecurity.com/toolshell-a-cr…
That wraps up Day 1 of #Pwn2Own Automotive 2025! We awarded $382,750 for 16 unique 0-days. The fuzzware.io team is current in the lead for Master of Pwn, but @SinSinology is right on their heels. Stay tuned tomorrow for more results and surprises. #P2OAuto
Viettel Cyber Security is a member of Viettel Group from Vietnam 🇻🇳 🇻🇳🇻🇳 Besides being Master of Pwn, we also provide many cybersecurity solutions and services: SOC,TI, pentest, redteam,... We're seeking global partners and business opportunities. More: viettelcybersecurity.com
First blood for our campaign, come on!
Success! Team Viettel (@hoangnx99, @vudq16, @biennd279, @_q5ca from @vcslab) were able to execute a single-bug attack against the Xiaomi 13 Pro. They earn $40,000 and 4 Master of Pwn points. #Pwn2Own
Now we are back with 2 entries. Come on! zerodayinitiative.com/blog/2023/3/21…
Congrats @vcslab
At the end of Day 3 of #P2OToronto here's the current leaderboard. While DEVCORE is in the driver's seat - there is still a theoretical possibility that another team can still take a share of the lead. Let's see what our final day brings us! #Pwn2Own
We have another full win entry. Congrats the team. Hope the last our SOHO entry got lucky 🔥🔥🔥
On the first win of Day 3 of #P2OToronto, @biennd279 and @rskvp93 from Team Viettel (@vcslab) used a command injection on a WD NAS to help add a little extra holiday decoration to the venue! This nets the team another $20K and 4 MoP points! #Pwn2Own
First win from our team
@hoangnx99, @KmaHaToan, @QuangHV99 from @vcslab achieves a 2-bug successful attack at #P2OToronto. #Pwn2Own
We weren't lucky to participate in Pwn2Own Scada this year for target Inductive Automation Ignition support.inductiveautomation.com/hc/en-us/artic…
Our teammate @rskvp93 shares the exploit chain for Pwn2Own 2021 Microsoft Exchange. Two of bugs are sadly duplicated. But the third bug will include a technique using export and import EWS api to change a secret property of a mail item. blog.viettelcybersecurity.com/pwn2own-2021-m…
Something about CVE-2022-1040 blog.viettelcybersecurity.com/cve-2022-1040-…
An authentication bypass (and rce in admin interface) in Sophos XG Firewall. This bug public a long time ago but we checked that more than thousand instances still vulnerable. Please upgrade your instance ASAP.
Something about CVE-2022-1040 blog.viettelcybersecurity.com/cve-2022-1040-…
Here we go! This season #Pwn2Own, our team members @nghiadt1098 @namnp5984 @vinhthp1712 will attempt target Windows 11 on May 19, 20. 💪Good luck! zerodayinitiative.com/blog/2022/5/17…
@AnnaViolet20 Nice work @AnnaViolet20 but you should ask our teammate before public the POC, it's not fair!
Wow 🤩
Finally, our teammates @hoangnx99 and @_q5ca got pwn F5 Big-IP CVE-2022-1338. We didn't succeed with the http smuggling technique to Jetty in a few days but in the end, we found the magic thing. That's so tricky.🔥🔥🔥
✅ We have just done a big update in RequestBin with many new features. "Support both DNS and HTTP on an unique ID" is one of there. 👉More details: requestbin.net/post/whats-new…
Our team member @_l0gg published the analysis of CVE-2022-0540 authentication bypass in Jira Seraph with some impacted plugins. Sadly he couldn't have his reports accepted for some bug bounty programs. blog.viettelcybersecurity.com/cve-2022-0540-…
My teammate share a new xs-leak technique: cross-domain leakage using HTTP/1 connection limit. My teammate used 6 parallel requests to guess the load time of a cross-domain request. Detail in here: blog.viettelcybersecurity.com/searching-agai…
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