PatchSiren cyber security CVE debrief
CVE-2021-1498 Cisco CVE debrief
CVE-2021-1498 is a Cisco HyperFlex HX Data Platform command injection vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2021-11-03. Because it is a known exploited issue, organizations running Cisco HyperFlex HX should treat remediation as urgent and follow Cisco’s update guidance.
- Vendor
- Cisco
- Product
- HyperFlex HX
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2021-11-03
- Original CVE updated
- 2021-11-03
- Advisory published
- 2021-11-03
- Advisory updated
- 2021-11-03
Who should care
Security teams, infrastructure administrators, and vulnerability managers responsible for Cisco HyperFlex HX Data Platform deployments.
Technical summary
The vulnerability is identified as a command injection issue in Cisco HyperFlex HX Data Platform. The CISA KEV entry indicates it is known to be exploited and directs organizations to apply updates per vendor instructions.
Defensive priority
High
Recommended defensive actions
- Inventory Cisco HyperFlex HX Data Platform assets and determine whether any deployed versions are affected.
- Apply Cisco updates per vendor instructions as soon as possible.
- Prioritize remediation because this CVE is listed in CISA’s Known Exploited Vulnerabilities catalog.
- Verify patch status after maintenance and document any systems that remain temporarily unpatched.
- Review monitoring and incident response procedures for signs of unauthorized command execution on exposed systems.
Evidence notes
The supplied source corpus identifies the vulnerability as 'Cisco HyperFlex HX Data Platform Command Injection Vulnerability' and marks it as a CISA Known Exploited Vulnerabilities entry. The KEV metadata lists Cisco as the vendor, HyperFlex HX as the product, dateAdded 2021-11-03, dueDate 2021-11-17, and required action 'Apply updates per vendor instructions.' Official reference links include the CVE record, NVD detail page, and CISA KEV catalog.
Official resources
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CVE-2021-1498 CVE record
CVE.org
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CVE-2021-1498 NVD detail
NVD
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CISA Known Exploited Vulnerabilities catalog
CISA - Apply updates per vendor instructions.
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Source item URL
cisa_kev
CVE published and modified on 2021-11-03. The same date appears in the CISA KEV source metadata as the KEV dateAdded, with a due date of 2021-11-17.