Security readout for executives and security teams
Plain-English summary
This flaw can let an unauthenticated remote attacker take administrative control of affected Cisco RV-series routers through the web management interface. Because these devices often sit at network edges, successful compromise could expose traffic, credentials, and internal access paths. The source bundle does not provide fixed versions.
Executive priority
Handle as urgent for any reachable affected router. The vulnerability enables administrative access without credentials and carries critical business risk if the management interface is exposed. Confirm inventory and vendor remediation status before assuming the organization is safe.
Technical view
CVE-2020-3144 is an improper session management authentication bypass in the web-based management interface of Cisco RV110W, RV130, RV130W, and RV215W routers. A crafted HTTP request could bypass authentication and provide administrative access, with CVSS 3.0 score 9.8 and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where affected Cisco RV110W, RV130, RV130W, or RV215W management interfaces are reachable from untrusted networks. Internet-facing administration materially increases urgency. The bundle’s structured affected list only names RV130W firmware, while the title and description name four router models.
Exploitation context
The source bundle states remote, unauthenticated exploitation is possible with a crafted HTTP request. It does not state public exploitation, and the CVE is not marked as CISA KEV in the provided data. Treat exploitability as severe, but do not claim confirmed active exploitation from these sources.
Researcher notes
Evidence is strong for authentication bypass and administrative impact, but incomplete on fixed versions, workarounds, and real-world exploitation. The flaw is mapped to CWE-284, while Cisco’s description attributes it to improper session management in the web management interface.
Mitigation direction
- Inventory Cisco RV110W, RV130, RV130W, and RV215W devices and firmware.
- Check Cisco’s advisory for supported fixed firmware or vendor workarounds.
- Restrict web management access to trusted administrative networks only.
- Remove any untrusted exposure of the management interface while remediation is confirmed.
- Prioritize replacement if vendor guidance indicates unsupported or end-of-life devices.
Validation and detection
- Confirm whether listed Cisco RV models exist in the environment.
- Verify management interfaces are not reachable from the internet or untrusted networks.
- Compare installed firmware against Cisco advisory guidance.
- Review logs for unexpected administrative sessions or configuration changes.
- Document remediation status for each affected router.
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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-3144 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
- Critical
- CVSS
- 9.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.8CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200715 Cisco RV110W, RV130, RV130W, and RV215W Routers Authentication 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.