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01 Record

CVE-2021-27452

The software contains a hard-coded password that could allow an attacker to take control of the merging unit using these hard-coded credentials on the MU320E (all firmware versions prior to v04A00.1).

UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The software contains a hard-coded password that could allow an attacker to take control of the merging unit using these hard-coded credentials on the MU320E (all firmware versions prior to v04A00.1).

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.27% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 19.4% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-03-25 19:23Z5 YR AGO
Last updated
2024-08-03 20:48Z2 YR AGO
Reserved
2021-02-19
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-259Use of Hard-coded PasswordVariant
  • CWE-798Use of Hard-coded CredentialsBase
Data version
5.1
Document digest
7c7d9304068b33a87185d7cbccdcb9eae72c1855ed639f0ae05ce6dc77c15290

05 Affected products

VendorProductVersionsPlatforms
n/aMU320EAll firmware versions prior to v04A00.1—

06 References