An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability in the SHA Authentication scheme, an attacker is able to gain unauthorized access and complete the authentication process. Subsequently, the client can execute data management protocol commands on the authenticated connection. The attacker could use one of these commands to execute an arbitrary command on the system using system privileges.
Data as of 2 Nov 2026 · NVD, CISA KEV, EPSS
Defenders still triage vulnerabilities one CVE at a time, while increasingly automated attackers combine them at machine speed. Omenwave models the plausible pathways by which this CVE could be chained with others — surfacing them for research and awareness, with evidence for each step.
The access level the source grants already meets or exceeds the access level the destination requires — the position carries over.
A sandbox bypass vulnerability exists in Jenkins Pipeline: Groovy Plugin 2.63 and earlier in pom.xml, src/main/java/org/jenkinsci/plugins/workflow/cp…
The source lands the attacker on the host (code execution or an established foothold), which satisfies the destination's requirement for local access.
Microsoft Exchange Server Elevation of Privilege Vulnerability
The access level the source grants already meets or exceeds the access level the destination requires — the position carries over.
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
The access level the source grants already meets or exceeds the access level the destination requires — the position carries over.
Microsoft Exchange Server Elevation of Privilege Vulnerability
The access level the source grants already meets or exceeds the access level the destination requires — the position carries over.
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Micros…
Modelled plausible chaining potential derived from public CVE metadata (CVSS, CWE, CPE). Not a confirmed real-world exploit chain and contains no exploitation detail. For research and awareness only.
Methodology · Interactive explorer · JSON: /cve/CVE-2021-27878