Security readout for executives and security teams
Plain-English summary
This flaw lets someone who can reach an affected OpenCRX system change any user's password, including the standard admin account. That can lead to account takeover and access to sensitive business data. The source bundle says the issue was fixed in OpenCRX 5.0-20200904.
Executive priority
Prioritize urgently if OpenCRX is deployed and reachable. The business risk is privileged account takeover without credentials, which can undermine confidentiality and integrity. If OpenCRX is not used, or all instances are already fixed and access-controlled, residual priority drops.
Technical view
CVE-2020-7378 is an unverified password change vulnerability in CRIXP OpenCRX 4.30, 5.0-20200717, and prior. The CVSS 3.1 score is 9.1 with network attack vector, low complexity, no privileges, and no user interaction. The weakness is mapped to CWE-620.
Likely exposure
Exposure is likely limited to organizations running affected OpenCRX versions reachable by untrusted users or networks. Internet-facing or broadly accessible instances have the highest concern. The provided sources do not name additional affected products.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation evidence. However, the vulnerability requires no authentication and can change privileged passwords if the affected instance is reachable.
Researcher notes
Evidence supports a critical unauthenticated password-change issue in specific OpenCRX versions, fixed September 4, 2020. Avoid assuming exploit activity from severity alone. Focus validation on version confirmation, exposure path, and account-change telemetry.
Mitigation direction
- Upgrade affected OpenCRX deployments to version 5.0-20200904 or later.
- Restrict network access to OpenCRX until remediation is complete.
- Review accounts for unexpected password changes, especially admin-Standard.
- Check vendor guidance for supported upgrade and hardening details.
Validation and detection
- Inventory OpenCRX deployments and record exact versions or build dates.
- Identify any 4.30, 5.0-20200717, or earlier deployments.
- Confirm remediated systems run 5.0-20200904 or later.
- Check whether OpenCRX is reachable from untrusted networks.
- Review authentication and account-change logs for suspicious password resets.
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-620: 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 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-2020-7378 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
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:N/UI:N/S:U/C:H/I:H/A:N3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.rapid7.com/2020/11/24/cve-2020-7378-opencrx-unverified-password-change/CVE reference · x_refsource_MISC
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.
Unverified Password Change
Unverified Password Change represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.