Security readout for executives and security teams
Plain-English summary
This flaw lets a logged-in remote attacker send crafted management-interface requests that make certain Cisco Small Business routers run attacker-supplied shell commands. Successful exploitation can change device behavior or disrupt availability because commands execute with root privileges.
Executive priority
Treat this as a high-priority edge-device risk. It affects small business routers and can give a low-privileged authenticated attacker root-level command execution on network infrastructure, but no active exploitation is cited in the provided evidence.
Technical view
CVE-2020-3332 is a CWE-78 command shell injection in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Series Routers. Cisco attributes it to insufficient validation of user-supplied data. CVSS 3.0 score is 8.1, with network access, low complexity, and low privileges required.
Likely exposure
Exposure is most likely where affected Cisco Small Business router management interfaces are reachable by remote authenticated users, especially if administration is permitted from broad internal networks or the internet.
Exploitation context
The provided sources do not cite active exploitation, and CISA KEV status is false. Exploitation requires authentication but no user interaction, and successful abuse runs commands or scripts as root on the device.
Researcher notes
Evidence supports authenticated remote command injection through crafted management-interface requests. Public source bundle does not provide exploit details, fixed version data, or named workarounds beyond the Cisco advisory reference, so remediation specifics should be verified directly with Cisco guidance.
Mitigation direction
- Review Cisco advisory for fixed software, replacement, or official mitigation guidance.
- Limit web-based management access to trusted administrative networks only.
- Disable remote administration where it is not operationally required.
- Audit router administrator accounts and remove unnecessary access.
- Prioritize remediation for internet-reachable or business-critical edge routers.
Validation and detection
- Inventory Cisco RV110W, RV130, RV130W, and RV215W routers in use.
- Confirm firmware and product status against the Cisco advisory.
- Identify whether web-based management is reachable from untrusted networks.
- Review administrative access logs for unexpected authenticated management activity.
- Check router configurations for unnecessary remote management exposure.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupCVE-2020-3332 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
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200715 Cisco Small Business RV110W, RV130, RV130W, and RV215W Series Routers Command Shell Injection 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.