Security readout for executives and security teams
Plain-English summary
CVE-2019-12620 lets an unauthenticated remote attacker feed false statistics into Cisco HyperFlex Software. The known impact is misleading data in the HyperFlex web interface, not data theft or service outage. The business risk is bad operational decisions based on corrupted infrastructure metrics.
Executive priority
Treat as a moderate-priority infrastructure integrity issue. It is not described as enabling takeover or outage, but false storage or cluster metrics can mislead operations teams and delay incident response.
Technical view
Cisco describes insufficient authentication in the HyperFlex statistics collection service. A remote attacker can submit formatted counter values, causing the web interface statistics view to display invalid data. CVSS 3.0 is 5.3: network reachable, low complexity, no privileges, no user interaction, low integrity impact only.
Likely exposure
Potentially exposed organizations run Cisco HyperFlex HX-Series with affected Cisco HyperFlex Software. The source bundle does not specify exact vulnerable or fixed versions, so exposure must be confirmed against Cisco's advisory and local asset records.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires remote access to the statistics collection service and causes false web interface statistics, based on Cisco's description.
Researcher notes
Affected version detail is incomplete in the provided bundle. Analysis should stay scoped to Cisco HyperFlex Software on HX-Series and the statistics collection service. Avoid assuming broader HyperFlex components, exploit availability, or fixed versions without the Cisco advisory details.
Mitigation direction
- Check Cisco's advisory for affected and fixed HyperFlex Software releases.
- Upgrade or apply vendor-recommended remediation if Cisco lists one for your version.
- Limit access to HyperFlex management and statistics services to trusted networks.
- Do not rely solely on HyperFlex web statistics until exposure is resolved.
Validation and detection
- Inventory Cisco HyperFlex HX-Series systems and installed HyperFlex Software versions.
- Compare versions against the Cisco advisory for CVE-2019-12620.
- Confirm whether the statistics collection service is reachable from untrusted networks.
- Review recent HyperFlex statistics for unexplained or inconsistent counter values.
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-345: 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 lookupCVE-2019-12620 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
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20190918 Cisco HyperFlex Software Counter Value 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.
Insufficient Verification of Data Authenticity
Insufficient Verification of Data Authenticity represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.