01 Record

CVE-2020-5523

Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not verify X.509 certificates from servers, and also do not properly validate certificates with

UnratedPUBLISHEDCNA: jpcert

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not verify X.509 certificates from servers, and also do not properly validate certificates with

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: 1.18% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 65.3% of scored records. A rank, not a probability.
NVD base score: 7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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

2020-01-28 05:25Z6 YR AGO

Last updated

2024-08-04 08:30Z2 YR AGO

Reserved

2020-01-06

Assigning CNA

jpcert

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

4f208cb30befcc96fe4a240a4aea35a58a1587d73d8423e439eb4098475a5201

05 Affected products

VendorProductVersionsPlatforms

NTT Data Corporation'MyPallete' and some of the Android banking applications that use 'MyPallete'MyPallete all versions, AshikagaBankingAppli ver1.0.4 and earlier, SENSHUIKEDABANKBankingAppli ver3.0.4 and earlier, ShikokuBankingAppli ver2.0.1 and earlier, TohokuBankingAppli ver1.0.1 and earlier, NaganoBankingAppli ver1.0.1 and earlier, 77BankingAppli ver2.0.1 and earlier, HokkaidoBankingAppli ver3.0.1 and earlier, and HokurikuBankingAppli ver2.0.1 and earlier—

06 References

www.dokodemobank.ne.jphttp://www.dokodemobank.ne.jp/info_20200128_bankingapp.htmlx_refsource_MISC
www.ashikagabank.co.jphttps://www.ashikagabank.co.jp/appbanking/pdf/oshirase.pdfx_refsource_MISC
www.sihd-bk.jphttps://www.sihd-bk.jp/common_v2/pdf/20200127.pdfx_refsource_MISC
www.shikokubank.co.jphttps://www.shikokubank.co.jp/info/apps20200128.htmlx_refsource_MISC
www.tohoku-bank.co.jphttps://www.tohoku-bank.co.jp/news/topics/200128_applissl.htmlx_refsource_MISC
www.naganobank.co.jphttps://www.naganobank.co.jp/soshiki/2/app-ssl.htmlx_refsource_MISC
www.77bank.co.jphttps://www.77bank.co.jp/pdf/oshirase/20012801_appvulnerability.pdfx_refsource_MISC
www.hokkaidobank.co.jphttps://www.hokkaidobank.co.jp/common/dat/2020/0120/15795047141946146699.pdfx_refsource_MISC
www.hokugin.co.jphttps://www.hokugin.co.jp/info/archives/personal/2020/1913.htmlx_refsource_MISC
jvn.jphttp://jvn.jp/en/jp/JVN28845872/index.htmlx_refsource_MISC

01 Record index

CVE-2020-5523

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2020-5523

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References