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[email protected]CVE-2020-13959

HistoryMar 10, 2021 - 8:15 a.m.

CVE-2020-13959

2021-03-1008:15:14

CWE-79

[email protected]

web.nvd.nist.gov

cve-2020-13959

apache

velocity tools

xss

vulnerability

security

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

6.6 Medium

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

81.0%

JSON

The default error page for VelocityView in Apache Velocity Tools prior to 3.1 reflects back the vm file that was entered as part of the URL. An attacker can set an XSS payload file as this vm file in the URL which results in this payload being executed. XSS vulnerabilities allow attackers to execute arbitrary JavaScript in the context of the attacked website and the attacked user. This can be abused to steal session cookies, perform requests in the name of the victim or for phishing attacks.

Affected configurations

Vulners

NVD

Node

apachevelocity_toolsRange≤3.1

CPENameOperatorVersion
apache:velocity_toolsapache velocity toolslt3.1

CPE	Name	Operator	Version
apache:velocity_tools	apache velocity tools	lt	3.1

CNA Affected

[
  {
    "product": "Apache Velocity Tools",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "3.1",
        "status": "affected",
        "version": "Apache Velocity Tools",
        "versionType": "custom"
      }
    ]
  }
]