What is CVE-2015-2020?

CVE-2015-2020 is a critical-severity vulnerability in Myscript, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-03-29.

How severe is CVE-2015-2020?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Myscript

CVE-2015-2020

The MyScript SDK before 1.3 for Android might allow attackers to execute arbitrary code by leveraging a finalize method in a Serializable class that improperly passes an attacker-controlled pointer to a native function.

Vulnerability class: Insecure Deserialization

Published 2018-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.027 · change: -0.001

Affected products

Myscript

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.usenix.org/system/files/conference/woot15/woot15-paper-peles.pdf (Exploit, Third Party Advisory)
alephsecurity.com/vulns/aleph-2015006 (Third Party Advisory)

Frequently asked questions

What is CVE-2015-2020?: CVE-2015-2020 is a critical-severity vulnerability in Myscript, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-03-29.
How severe is CVE-2015-2020?: Critical severity. CVSS v3 base score is 9.8 out of 10.