Security readout for executives and security teams
Plain-English summary
This Cisco SD-WAN flaw can let a low-privileged authenticated local user become root on the appliance OS. That means someone who already has limited access could fully control an affected system. The public bundle does not identify exact affected versions or fixes.
Executive priority
Treat this as high priority for organizations using Cisco SD-WAN. It is not described as remotely unauthenticated or actively exploited, but root compromise of SD-WAN infrastructure can create serious network control and availability risk.
Technical view
CVE-2020-3265 is an insufficient input validation privilege-escalation issue in Cisco SD-WAN Solution software. The CVSS 3.0 vector is local, high complexity, low privileges, no user interaction, unchanged scope, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in environments running Cisco SD-WAN Solution where local authenticated users or service accounts can reach affected systems. Version detail is incomplete in the supplied sources, so teams must validate against Cisco’s advisory and their asset inventory.
Exploitation context
The source bundle says exploitation requires an authenticated local attacker and has high attack complexity. CISA KEV is false, and no supplied source states active exploitation. A successful attack could provide root-level operating system privileges.
Researcher notes
The bundle lists CWE-264 and CVSS 7.0. The advisory description combines local attacker requirements with a crafted request to an affected system. Exact vulnerable versions, patches, workarounds, and exploit observations are not provided in the bundle.
Mitigation direction
- Check Cisco’s advisory for affected releases, fixed software, and any documented workarounds.
- Inventory Cisco SD-WAN Solution deployments and map owners for rapid remediation.
- Limit local authenticated access to SD-WAN systems to necessary administrators and service accounts.
- Review privileged account controls on SD-WAN management and appliance access paths.
- Prioritize upgrade or vendor-recommended remediation for internet-critical or high-trust network environments.
Validation and detection
- Confirm whether Cisco SD-WAN Solution is deployed in the environment.
- Compare deployed software versions with Cisco’s advisory because version data is absent here.
- Review local accounts, service accounts, and administrative access to SD-WAN systems.
- Check for unexpected privilege changes or root-level activity on affected appliances.
- Verify remediation status after applying Cisco-recommended updates or workarounds.
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-264: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2020-3265 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
- High
- CVSS
- 7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:H/PR:L/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7HighVector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200318 Cisco SD-WAN Solution 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.
Permissions, Privileges, and Access Controls
Permissions, Privileges, and Access Controls represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.