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MattermostCVE-2020-29511

HistoryDec 14, 2020 - 8:15 p.m.

CVE-2020-29511

2020-12-1420:15:13

CWE-115

Mattermost

web.nvd.nist.gov

193

cve-2020-29511

encoding/xml

namespace

tokenization

security vulnerability

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

43.1%

JSON

The encoding/xml package in Go (all versions) does not correctly preserve the semantics of element namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.

Affected configurations

Nvd

Node

golanggoRange<1.17

Node

netapptridentMatch-

VendorProductVersionCPE
golanggo*cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
netapptrident-cpe:2.3:a:netapp:trident:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
golang	go	*	cpe:2.3:a:golang:go::::::::
netapp	trident	-	cpe:2.3:a:netapp:trident:-:::::::*

CNA Affected

[
  {
    "product": "Go",
    "vendor": "Golang",
    "versions": [
      {
        "status": "affected",
        "version": "All versions"
      }
    ]
  }
]