CVE-2019-19840
CRITICALCVSS 9.8/10EPSS 4.13%
Last modified
CVE-2019-19840 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated HTTP request.. EPSS estimates a 4.13% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated HTTP request.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ruckuswireless | Unleashed | < 200.7.10.202.94 |
| Ruckuswireless | Zonedirector 1200 Firmware | < 9.10.2.0.84 |
| Ruckuswireless | Zonedirector 1200 Firmware | >= 9.12.0, < 9.12.3.0.136 |
| Ruckuswireless | Zonedirector 1200 Firmware | >= 9.13.0, < 10.0.1.0.90 |
| Ruckuswireless | Zonedirector 1200 Firmware | >= 10.1.0, < 10.1.2.0.275 |
| Ruckuswireless | Zonedirector 1200 Firmware | >= 10.2.0, < 10.2.1.0.147 |
| Ruckuswireless | Zonedirector 1200 Firmware | >= 10.3.0, < 10.3.1.0.21 |
References
- https://alephsecurity.com/2020/01/14/ruckus-wirelessExploit, Technical Description, Third Party Advisory
- https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10816.htmlThird Party Advisory
- https://www.ruckuswireless.com/security/299/view/txtVendor Advisory
- https://alephsecurity.com/2020/01/14/ruckus-wirelessExploit, Technical Description, Third Party Advisory
- https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10816.htmlThird Party Advisory
- https://www.ruckuswireless.com/security/299/view/txtVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19840?
A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated HTTP request.
How severe is CVE-2019-19840?
CVE-2019-19840 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.13% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-19840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST