Platform
Managed Security Services
Managed Penetration Testing
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Resources
May 25, 2023
Severity High Analysis Summary The STOP/DJVU ransomware initially made headlines in 2018 and has since been attacking individuals all around the world. It’s widespread on torrent […]May 24, 2023
Severity Medium Analysis Summary CVE-2023-30440 IBM PowerVM Hypervisor could allow a local attacker with control a partition that has been assigned SRIOV virtual function (VF) to […]May 24, 2023
Severity High Analysis Summary CVE-2023-33246 Apache RocketMQ could allow a remote attacker to execute arbitrary commands on the system, caused by a flaw when using the […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Platform
Managed Security Services
Managed Penetration Testing
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Resources
May 25, 2023
Severity High Analysis Summary The STOP/DJVU ransomware initially made headlines in 2018 and has since been attacking individuals all around the world. It’s widespread on torrent […]May 24, 2023
Severity Medium Analysis Summary CVE-2023-30440 IBM PowerVM Hypervisor could allow a local attacker with control a partition that has been assigned SRIOV virtual function (VF) to […]May 24, 2023
Severity High Analysis Summary CVE-2023-33246 Apache RocketMQ could allow a remote attacker to execute arbitrary commands on the system, caused by a flaw when using the […]Threat Insights
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Connect with Us
Rewterz Threat Advisory – CVE-2022-208640 – Cisco IOS XE ROM Monitor Vulnerabilities
May 18, 2023
Rewterz Threat Advisory – Multiple Cisco DNA Center Software Vulnerabilities
May 18, 2023
Severity
Medium
Analysis Summary
CVE-2023-20189 CVSS:9.8
Cisco Small Business Series Switches are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code with root privileges on the system.
CVE-2023-20162 CVSS:7.5
Cisco Small Business Series Switches could allow a remote attacker to obtain sensitive information, caused by improper validation of requests by the web interface. By sending a specially crafted request, an attacker could exploit this vulnerability to read unauthorized information, and use this information to launch further attacks against the affected system.
CVE-2023-20161 CVSS:9.8
Cisco Small Business Series Switches are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVE-2023-20160 CVSS:9.8
Cisco Small Business Series Switches are vulnerable to a BSS buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code with root privileges on the system.
CVE-2023-20159 CVSS:9.8
Cisco Small Business Series Switches are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code with root privileges on the system.
CVE-2023-20158 CVSS:8.6
Cisco Small Business Series Switches are vulnerable to a denial of service, caused by improper validation of requests by the web interface. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVE-2023-20157 CVSS:8.6
Cisco Small Business Series Switches are vulnerable to a denial of service, caused by a heap-based buffer overflow in the web interface. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVE-2023-20156 CVSS:8.6
Cisco Small Business Series Switches are vulnerable to a denial of service, caused by a heap-based buffer overflow in the web interface. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVE-2023-20024 CVSS:8.6
Cisco Small Business Series Switches are vulnerable to a denial of service, caused by a heap-based buffer overflow in the web interface. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
Impact
- Denial of Service
- Information Disclosure
- Buffer Overflow
Indicators Of Compromise
CVE
- CVE-2023-25927
Affected Vendors
Cisco
Affected Products
- Cisco Small Business 300 Series Managed Switches
- Cisco Small Business 500 Series Stackable Managed Switches
- Cisco 350 Series Managed Switches
- Cisco 350X Series Stackable Managed Switches
- Cisco 550X Series Stackable Managed Switches
- Cisco Small Business 200 Series Smart Switches
- Cisco 250 Series Smart Switches
- Cisco Business 250 Series Smart Switches
- Cisco Business 350 Series Managed Switches
Remediation
Refer to IBM Security Bulletin for patch, upgrade or suggested workaround information.