IBMD8A776D3B0AC34F7E1A0CD9930DE0D129047F912F17BAA37C912C1C104FBA268Security Bulletin: CVE-2020-8203
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.01 Low
EPSS
Percentile
83.7%
Summary
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
Vulnerability Details
CVEID:CVE-2020-8203
**DESCRIPTION:**Node.js lodash module is vulnerable to a denial of service, caused by a prototype pollution attack. A remote attacker could exploit this vulnerability using the merge, mergeWith, and defaultsDeep functions to inject properties onto Object.prototype to crash the server and possibly execute arbitrary code on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183560 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| UCV - UrbanCode Velocity | All |
Remediation/Fixes
upgrade to 2.4.0 or later
Workarounds and Mitigations
None
| CPE | Name | Operator | Version |
|---|---|---|---|
| ucv - urbancode velocity | eq | any |
Related
7.4 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:P/A:P
0.01 Low
EPSS
Percentile
83.7%