Vulnerability in Cisco Hyperflex Hx-Series
CVE-2019-12621
A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to perform a man-in-the-middle attack. The vulnerability is due to insufficient key management. An attacker could exploit this vulnerability by obtaining a specific encryption key for the cluster. A successful exploit could allow the attacker to perform a man-in-the-middle attack against other nodes in the cluster.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cisco Hyperflex Hx-Series — versions unspecified
- Cisco Hyperflex Hx220c Af M5
- Cisco Hyperflex Hx220c Af M5 Firmware — versions 3.0(1a), 3.5\(2a\), 3.0\(1a\)
- Cisco Hyperflex Hx220c Edge M5
- Cisco Hyperflex Hx220c Edge M5 Firmware — versions 3.0(1a), 3.5\(2a\), 3.0\(1a\)
- Cisco Hyperflex Hx220c M5
- Cisco Hyperflex Hx220c M5 Firmware — versions 3.0(1a), 3.5\(2a\), 3.0\(1a\)
- Cisco Hyperflex Hx240c Af M5
- Cisco Hyperflex Hx240c Af M5 Firmware — versions 3.0(1a), 3.5\(2a\), 3.0\(1a\)
- Cisco Hyperflex Hx240c M5
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-12621?
- CVE-2019-12621 is a high-severity vulnerability in Cisco Hyperflex Hx-Series, classified under CWE-320. CVSS score: 7.4/10. Published 2019-08-21.
- How severe is CVE-2019-12621?
- High severity. CVSS v3 base score is 7.4 out of 10.