Vulnerability in Jerryscript
CVE-2020-13991
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Jerryscript — versions 2.2.0
Public proof-of-concept exploits
References
- github.com/jerryscript-project/jerryscript/pull/3867 (Exploit, Patch, Third Party Advisory)
- github.com/jerryscript-project/jerryscript/issues/3860 (Exploit, Third Party Advisory)
- github.com/jerryscript-project/jerryscript/issues/3859 (Exploit, Third Party Advisory)
- github.com/jerryscript-project/jerryscript/issues/3858 (Exploit, Third Party Advisory)
- github.com/googleprojectzero/fuzzilli (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13991?
- CVE-2020-13991 is a high-severity vulnerability in Jerryscript. CVSS score: 7.5/10. Published 2020-09-24.
- How severe is CVE-2020-13991?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-13991 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.