Security readout for executives and security teams
Plain-English summary
CVE-2020-3152 is a Cisco Connected Mobile Experiences privilege escalation issue. Someone who already has valid administrative access on the system could gain root-level control of the underlying operating system, increasing the damage from a compromised or misused admin account.
Executive priority
Treat this as a moderate-priority remediation item. It is not remotely unauthenticated, but it can turn an already privileged CMX account into root operating-system control, increasing business impact if admin credentials are compromised.
Technical view
The vulnerability is attributed to default improper user permissions in Cisco CMX. An authenticated local attacker with administrative credentials could use crafted CLI input to execute arbitrary operating-system commands as root. CVSS 3.0 is 6.7: local, low complexity, high privileges required, no user interaction.
Likely exposure
Exposure is limited to organizations running Cisco Connected Mobile Experiences. The provided sources do not identify specific affected or fixed versions, so product inventory and Cisco advisory review are required.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires valid administrative credentials and local access, making this mainly an insider, compromised-admin, or post-compromise escalation risk.
Researcher notes
Key uncertainty is version scope: the supplied data lists Cisco CMX but not affected versions or fixed releases. CVSS indicates local access, low complexity, high privileges required, unchanged scope, and high confidentiality, integrity, and availability impact.
Mitigation direction
- Review Cisco’s advisory for affected releases and official remediation guidance.
- Inventory all Cisco CMX deployments and record installed versions.
- Restrict administrative and local CLI access to trusted personnel only.
- Remove unnecessary administrative accounts and enforce least privilege.
- Monitor privileged account use for unusual administrative activity.
Validation and detection
- Confirm whether Cisco CMX is deployed in the environment.
- Compare installed CMX versions against Cisco’s advisory guidance.
- Review administrative account lists for stale or excessive privileges.
- Check access controls for local and CLI administrative paths.
- Assess logs for unexpected privileged activity on CMX systems.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-275: Exact CWE lookup
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Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-3152 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200819 Cisco Connected Mobile Experiences Privilege Escalation VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Permission Issues
Permission Issues represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.