CVE-2020-4099 json
HCL Verse for Android is susceptible to an APK signing key check vulnerability
published 2022-11-01 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25346
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
The application was signed using a key length less than or equal to 1024 bits, making it potentially vulnerable to forged digital signatures. An attacker could forge the same digital signature of the app after maliciously modifying the app.
Patch / fix
- hcltech verse 12.0.15
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- HCL Software HCL Verse for Android
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
Sources
- CVE List CVE-2020-4099
- NVD CVE-2020-4099
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