Prototype pollution in Ajv
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-15366 |
| CWE-ID | CWE-94 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ajv Web applications / JS libraries |
| Vendor | Ajv |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Prototype pollution
EUVDB-ID: #VU55498
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-15366
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject and execute arbitrary script code.
MitigationInstall update from vendor's website.
Vulnerable software versionsAjv: 6.12.0 - 6.12.2
External linkshttp://hackerone.com/bugs?subject=user&report_id=894259
http://github.com/ajv-validator/ajv/releases/tag/v6.12.3
http://github.com/ajv-validator/ajv/tags
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
