What’s Vulnerable › Vulnerabilities

CVE-2020-13991

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-24 · updated 2026-06-17

Description

vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.

Affected products

• JerryScript: 2.2.0

References

• https://github.com/googleprojectzero/fuzzilli#JerryScript
• https://github.com/jerryscript-project/jerryscript/issues/3858
• https://github.com/jerryscript-project/jerryscript/issues/3859
• https://github.com/jerryscript-project/jerryscript/issues/3860
• https://github.com/jerryscript-project/jerryscript/pull/3867
• https://github.com/googleprojectzero/fuzzilli#JerryScript
• https://github.com/jerryscript-project/jerryscript/issues/3858
• https://github.com/jerryscript-project/jerryscript/issues/3859
• https://github.com/jerryscript-project/jerryscript/issues/3860
• https://github.com/jerryscript-project/jerryscript/pull/3867

Get alerted when CVE-2020-13991 or the next vulnerability affects your stack