Vmware - Information Disclosure (CVE-2021-0027)
2068Exploiting IPs reported
The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.
CrowdSec analysis
CVE-2021-0027 is an Information Disclosure vulnerability affecting Vmware vCenter Server. Unauthenticated attackers can exploit this vulnerability to read arbitrary files on the vCenter Server.
CrowdSec has been tracking this vulnerability and its exploits since 9th of December 2021.
CrowdSec network data shows that most actors exploiting CVE-2021-0027 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. CrowdSec network telemetry also shows that exploitation of CVE-2021-0027 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.
There are no public exploits for this vulnerability. However, it is usually abused by sending crafted requests to the vCenter Server.
Exploitation
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Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
To increase your protection against this CVE, block exploitation attempts with this list of identified actors.