OMENWAVE modelled vulnerability-chaining pathways

CVE-2026-20316

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems. This vulnerability is due to the presence of static user credentials for a low-privileged account. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and access sensitive data as the low-privileged user.  Note: If the FMC management interface does not have public internet access, the attack surface that is associated with this vulnerability is reduced.   Cisco has assigned this security advisory a Security Impact Rating (SIR) of High rather than Medium as the score indicates. The reason is that this vulnerability can be used with other Cisco Secure FMC Software vulnerabilities to elevate privileges.

5.3
CVSS Medium
35.1%
EPSS p98
YES
In CISA KEV
YES
Ransomware-linked

Data as of 2 Nov 2026 · NVD, CISA KEV, EPSS

Why chaining, at machine speed

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.

Modelled capability profile
Kill-chain stage
RECON
Requires
NONE access, NETWORK vector
Grants
NONE access
Capabilities
information disclosure
Model confidence
high · CVSS 3.1
Top plausible next hops
CVE-2014-3120RECON → RECONmedium plausibility · KEV

The source discloses information that may contain usable credentials, which could satisfy the destination's authentication requirement (lower confidence).

The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execute arbitrary MVEL expressions…

CVE-2020-11652RECON → RECONmedium plausibility · KEV

The source discloses information that may contain usable credentials, which could satisfy the destination's authentication requirement (lower confidence).

An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master process ClearFuncs class allows access to some meth…

CVE-2018-18809RECON → RECONmedium plausibility · KEV

The source discloses information that may contain usable credentials, which could satisfy the destination's authentication requirement (lower confidence).

The default server implementation of TIBCO Software Inc.'s TIBCO JasperReports Library, TIBCO JasperReports Library Community Edition, TIBCO JasperRe…

CVE-2019-1003030RECON → PRIV_ESClow plausibility · KEV

The source discloses information that may contain usable credentials, which could satisfy the destination's authentication requirement (lower confidence).

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…

CVE-2025-49704RECON → EXECUTIONlow plausibility · KEV

The source discloses information that may contain usable credentials, which could satisfy the destination's authentication requirement (lower confidence).

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Open in the interactive explorer →
Embed this snapshot

Paste this into a blog post or report — it renders a compact, exploit-free chain snapshot.

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-2026-20316