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March 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]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
March 25, 2023Severity Medium Analysis Summary GandCrab – a ransomware-as-a-service variant – was discovered in early 2018. At least five versions of GandCrab have been created since its […]March 25, 2023Severity Medium Analysis Summary NjRat is a Remote Access Trojan, which is found leveraging Pastebin to deliver a second-stage payload after initial infection. There are multiple […]March 24, 2023Severity Medium Analysis Summary CVE-2023-20113 Cisco SD-WAN vManage Software is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated […]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-2021-21484 – SAP HANA security bypass
March 10, 2021Rewterz Threat Advisory – CVE-2021-27077 – Microsoft Windows privilege escalation
March 10, 2021
Severity
High
Analysis Summary
CVE-2021-21488
SAP NetWeaver Knowledge Management is vulnerable to a denial of service, caused by an insecure deserialization flaw. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.
Impact
Denial of service
Affected Vendors
SAP
Affected Products
- SAP NetWeaver Knowledge Management 7.01
- SAP NetWeaver Knowledge Management 7.02
- SAP NetWeaver Knowledge Management 7.30
- SAP NetWeaver Knowledge Management 7.31
- SAP NetWeaver Knowledge Management 7.40
- SAP NetWeaver Knowledge Management 7.50
Remediation
Refer to SAP SAP note 2983436 for patch information.