CVE-2021-28123
CVE-2021-28123 is a critical-severity vulnerability in Cohesity Cohesity Dataplatform with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (70th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1188
- Affected product: Cohesity Cohesity Dataplatform
- Published:
- Last modified:
Description
Undocumented Default Cryptographic Key Vulnerability in Cohesity DataPlatform version 6.3 prior 6.3.1g, 6.4 up to 6.4.1c and 6.5.1 through 6.5.1b. The ssh key can provide an attacker access to the linux system in the affected version.
Frequently asked questions
- What is CVE-2021-28123?
- Undocumented Default Cryptographic Key Vulnerability in Cohesity DataPlatform version 6.3 prior 6.3.1g, 6.4 up to 6.4.1c and 6.5.1 through 6.5.1b. The ssh key can provide an attacker access to the linux system in the affected version.
- How severe is CVE-2021-28123?
- CVE-2021-28123 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-28123 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-28123?
- CVE-2021-28123 affects Cohesity Cohesity Dataplatform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-28123?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-28123 published?
- CVE-2021-28123 was published on 2021-04-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cohesity:cohesity_dataplatform:*:*:*:*:*:*:*:*
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