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[email protected]CVE-2021-22886

HistoryMar 26, 2021 - 7:15 p.m.

CVE-2021-22886

2021-03-2619:15:11

CWE-79

[email protected]

web.nvd.nist.gov

108

rocket.chat

3.11

3.10.5

3.9.7

3.8.8

cve-2021-22886

xss

rce

remote code execution

security vulnerability

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

0.001 Low

EPSS

Percentile

43.1%

JSON

Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.

Affected configurations

NVD

Node

rocket.chatrocket.chatRange<3.8.8

rocket.chatrocket.chatRange3.9.0–3.9.7

rocket.chatrocket.chatRange3.10.0–3.10.5

rocket.chatrocket.chatMatch3.11.0rc0

rocket.chatrocket.chatMatch3.11.0rc1

rocket.chatrocket.chatMatch3.11.0rc2

rocket.chatrocket.chatMatch3.11.0rc3

rocket.chatrocket.chatMatch3.11.0rc4

rocket.chatrocket.chatMatch3.11.0rc5

rocket.chatrocket.chatMatch3.11.0rc6

rocket.chatrocket.chatMatch3.11.0rc7

CPENameOperatorVersion
rocket.chat:rocket.chatrocket.chatlt3.8.8
rocket.chat:rocket.chatrocket.chatlt3.9.7
rocket.chat:rocket.chatrocket.chatlt3.10.5
rocket.chat:rocket.chatrocket.chateq3.11.0

CPE	Name	Operator	Version
rocket.chat:rocket.chat	rocket.chat	lt	3.8.8
rocket.chat:rocket.chat	rocket.chat	lt	3.9.7
rocket.chat:rocket.chat	rocket.chat	lt	3.10.5
rocket.chat:rocket.chat	rocket.chat	eq	3.11.0

CNA Affected

[
  {
    "product": "Rocket.Chat ",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 3.11, 3.10.5, 3.9.7, 3.8.8"
      }
    ]
  }
]

References

docs.rocket.chat/guides/security/security-updates

github.com/RocketChat/Rocket.Chat/pull/20430

hackerone.com/reports/1014459

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

0.001 Low

EPSS

Percentile

43.1%

JSON

Related for CVE-2021-22886

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