Security Vulnerabilities - CVEs Published In May 2021
vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse the functionality to upload a profile picture in order to place a malicious PHP file on the server and gain code execution.
CVSS Score
8.8
EPSS Score
0.03
Published
2021-05-26
vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify any other users profile information or profile picture. After receiving any user's unique identification number and their own, an HTTP POST request can be made update their profile description or supply a new profile image. This can lead to potential cross-site scripting attacks on any user, or upload malicious PHP webshells as "profile pictures." The user IDs can be easily determined by other responses from the API for an event or chat room.
CVSS Score
4.3
EPSS Score
0.001
Published
2021-05-26
In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile information to include a cross-site scripting payload. The user data stored by the database includes HTML tags that are intentionally rendered out onto the page, and this can be abused to perform XSS attacks.
CVSS Score
5.4
EPSS Score
0.003
Published
2021-05-26
A vulnerability was found that the 3scale dev portal does not employ mechanisms for protection against login CSRF. An attacker could use this flaw to access unauthorized information or conduct further attacks.
CVSS Score
8.8
EPSS Score
0.003
Published
2021-05-26
A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-05-26
A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.
CVSS Score
7.8
EPSS Score
0.001
Published
2021-05-26
A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-05-26
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-05-26
An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.
CVSS Score
6.1
EPSS Score
0.016
Published
2021-05-26
An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in the AJAX reordering endpoint.
CVSS Score
6.5
EPSS Score
0.0
Published
2021-05-26