Security readout for executives and security teams
Plain-English summary
CVE-2020-3592 affects Cisco SD-WAN vManage. An authenticated user could bypass authorization checks in the web management interface and make configuration changes beyond their permitted role. This is not anonymous compromise, but it can create material operational risk because vManage controls SD-WAN configuration.
Executive priority
Treat this as a prioritized SD-WAN management-plane issue, especially in environments with many delegated operators. It is not described as unauthenticated or actively exploited in the provided sources, but unauthorized configuration changes could affect network integrity.
Technical view
The issue is an authorization bypass in Cisco SD-WAN vManage Software’s web-based management interface. Cisco attributes it to insufficient authorization checking. Exploitation requires network access and valid low-privileged credentials, with low attack complexity and high integrity impact under CVSS 3.1.
Likely exposure
Exposure is most likely where Cisco SD-WAN vManage is deployed and its web management interface is reachable by authenticated non-admin users. The source bundle does not specify affected version ranges or deployment conditions.
Exploitation context
The CVE description cites crafted HTTP requests by an authenticated remote attacker. The bundle does not show CISA KEV listing, public active exploitation, exploit code, or observed campaigns.
Researcher notes
Evidence is limited to the CVE record and Cisco advisory reference. Affected versions are not provided in the bundle. Validation should focus on authorization boundaries, role behavior, management-interface reachability, and integrity-sensitive configuration paths without attempting exploit reproduction.
Mitigation direction
- Review Cisco’s advisory for affected releases and official remediation guidance.
- Prioritize vendor-supported updates or configuration changes once confirmed from Cisco guidance.
- Limit vManage web access to trusted administration networks and users.
- Review role assignments for least-privilege access to vManage.
- Monitor for unauthorized configuration changes in vManage audit records.
Validation and detection
- Inventory Cisco SD-WAN vManage deployments and software versions.
- Confirm whether each deployment matches Cisco advisory applicability.
- Identify users with web management interface access below admin level.
- Review recent configuration changes for unexpected low-privilege activity.
- Verify compensating access controls around the management interface.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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-2020-3592 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20201104 Cisco SD-WAN vManage Software Authorization Bypass 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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
