Vulnerability Details : 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.
Products affected by CVE-2019-12621
- cpe:2.3:o:cisco:hyperflex_hx220c_m5_firmware:3.0\(1a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx220c_m5_firmware:3.5\(2a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx240c_m5_firmware:3.0\(1a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx240c_m5_firmware:3.5\(2a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx220c_af_m5_firmware:3.5\(2a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx220c_af_m5_firmware:3.0\(1a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx240c_af_m5_firmware:3.0\(1a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx240c_af_m5_firmware:3.5\(2a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx220c_edge_m5_firmware:3.0\(1a\):*:*:*:*:*:*:*
- cpe:2.3:o:cisco:hyperflex_hx220c_edge_m5_firmware:3.5\(2a\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-12621
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-12621
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
1.6
|
5.2
|
Cisco Systems, Inc. | |
|
7.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.2
|
5.2
|
NIST |
CWE ids for CVE-2019-12621
-
Assigned by: ykramarz@cisco.com (Secondary)
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-12621
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190821-hyperflex-sslkey
Cisco HyperFlex Static SSL Key VulnerabilityVendor Advisory
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