9.1
CVSSv3

CVE-2019-1912

Published: 07/08/2019 Updated: 16/10/2020
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9
VMScore: 645
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

Vulnerability Summary

A vulnerability in the web management interface of Cisco Small Business 220 Series Smart Switches could allow an unauthenticated, remote malicious user to upload arbitrary files. The vulnerability is due to incomplete authorization checks in the web management interface. An attacker could exploit this vulnerability by sending a malicious request to certain parts of the web management interface. Depending on the configuration of the affected switch, the malicious request must be sent via HTTP or HTTPS. A successful exploit could allow the malicious user to modify the configuration of an affected device or to inject a reverse shell. This vulnerability affects Cisco Small Business 220 Series Smart Switches running firmware versions before 1.1.4.4 with the web management interface enabled. The web management interface is enabled via both HTTP and HTTPS by default.

Vulnerability Trend

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cisco sf-220-24_firmware

cisco sf220-24p_firmware

cisco sf220-48_firmware

cisco sf220-48p_firmware

cisco sg220-26_firmware

cisco sg220-26p_firmware

cisco sg220-28_firmware

cisco sg220-28mp_firmware

cisco sg220-50_firmware

cisco sg220-50p_firmware

cisco sg220-52_firmware

Vendor Advisories

A vulnerability in the web management interface of Cisco Small Business 220 Series Smart Switches could allow an unauthenticated, remote attacker to upload arbitrary files The vulnerability is due to incomplete authorization checks in the web management interface An attacker could exploit this vulnerability by sending a malicious request to certa ...

Exploits

#!/usr/bin/python27 # """ [Subject] Realtek Managed Switch Controller (RTL83xx) PoC (2019 bashis) wwwrealtekcom/en/products/communications-network-ics/category/managed-switch-controller [Brief description] 1 Boa/Hydra suffer of exploitable stack overflow with a 'one byte read-write loop' w/o boundary check (all FW version and vendo ...

Recent Articles

The Joy of Six... critical security patches: Cisco small biz switches open to hijacking via web UI
The Register • Shaun Nichols in San Francisco • 22 Aug 2019

Plus UCS and other gear need updates Breaker, breaker. Apple's iOS 12.4 update breaks jailbreak break, un-breaks the break. 10-4

Cisco has emitted a fresh round of software updates to address security holes in its network switches and controllers. Switchzilla's latest patch bundle includes six alerts for what it rates as critical issues, including flaws in its Small Business 220 Series switches and UCS Director software. Combined with Cisco's fixes for 'high' and 'moderate' issues, the networking giant posted a total of 33 security alerts on Wednesday. For the Small Business 220 Switches, a pair of patches address CVE-201...