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01 Record

CVE-2021-21745

ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a

UnratedPUBLISHEDCNA: zte
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

ZTE MF971R product has a Referer authentication bypass vulnerability. Without CSRF verification, an attackercould use this vulnerability to perform illegal authorization operations by sending a

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
55.70% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 98.9% of scored records. A rank, not a probability.
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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
2021-10-20 15:20Z5 YR AGO
Last updated
2024-08-03 18:23Z2 YR AGO
Reserved
2021-01-04
Assigning CNA
zte
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-352Cross-Site Request Forgery (CSRF)Compound
Data version
5.1
Document digest
885adc896b72ff3fd2c7df9c49ae90dbe1a09c86ffec0dcfd88f1600765d4f00

05 Affected products

VendorProductVersionsPlatforms
n/aMF971RBD_ZTE_MF971RV1.0.0B05, BD_PLKPLMF971R1V1.0.0B06, BD_MF971R2V1.0.0B03, BD_ZTE_MF971RS2V1.0.0B03, BD_ZTE_MF971RSV1.0.0B05—

06 References