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01 Record

CVE-2025-54464

Cleartext Storage Vulnerability in ZKTeco WL20

HighPUBLISHEDCNA: CERT-In
CNA base score7.0 CVSS v4.0CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

02 Description

Cleartext Storage Vulnerability in ZKTeco WL20

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.08% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 0.4% of scored records. A rank, not a probability.
NVD base score
7.0 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Deferred. 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
2025-08-13 11:12Z1 YR AGO
Last updated
2025-08-13 13:10Z1 YR AGO
Reserved
2025-07-22
Assigning CNA
CERT-In
Record state
PUBLISHED
Severity
High (CVSS 7.0)
CNA CVSS vector
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weaknesses
  • CWE-312Cleartext Storage of Sensitive InformationBase
Data version
5.1
Document digest
b2ae45cd97ebcdcd9168193aa559efae5b3d0ed3b90d79d4aad7267340ebbd98

05 Affected products

VendorProductVersionsPlatforms
ZKTeco CoWL20 Biometric Attendance System<=ZLM31-FXO1-3.1.8—

06 References

07 Remediation

Upgrade ZKTeco WL20 Biometric Attendance System firmware to version ZLM31-FXO1-4.0.3. https://www.zkteco.com/en/Security_Bulletinsibs/20