CVE-2020-13991
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a...
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
CVE-2020-13991- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
CVE-2020-13991- Updated
- 2026-11-02
EUVDEUVD-2020-6161 No score
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
EUVD-2020-6161- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qc8m-fmhj-x4j4 No score
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a...
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
GHSA-qc8m-fmhj-x4j4- Updated
- 2026-11-02
OSV
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
CVE-2020-13991- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-13991
vm/opcodes.c in JerryScript 2.2.0 allows attackers to hijack the flow of control by controlling a register.
- Record
UBUNTU-CVE-2020-13991- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13991 is a high vulnerability (CVSS 7.5) in Jerryscript, published September 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.44%, the 84th percentile. No source names a fixed version.
References
github.com/jerryscript-project/jerryscript/pull/3867
nvd.nist.gov/vuln/detail/CVE-2020-13991
ubuntu.com/security/CVE-2020-13991
cve.org/CVERecord?id=CVE-2020-13991