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01 Record

CVE-2024-23388

Improper authorization in handler for custom URL scheme issue in "Mercari" App for Android prior to version 5.78.0 allows a remote attacker to lead a user to access an arbitrary website via the

MediumPUBLISHEDCNA: jpcert
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

02 Description

Improper authorization in handler for custom URL scheme issue in "Mercari" App for Android prior to version 5.78.0 allows a remote attacker to lead a user to access an arbitrary website via the

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 ImpactpartialSuccessful exploitation gives limited 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
0.38% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 32.3% of scored records. A rank, not a probability.
NVD base score
6.1 (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:C/C:L/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
2024-01-26 07:07Z2 YR AGO
Last updated
2025-06-03 17:57Z1 YR AGO
Reserved
2024-01-16
Assigning CNA
jpcert
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
Data version
5.1
Document digest
dee77f12c2c71a41d59db88347c65973ec4a089d284b07727853a2d750a374d3

05 Affected products

VendorProductVersionsPlatforms
Mercari, Inc."Mercari" App for Androidprior to version 5.78.0—

06 References