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TwcertCVE-2021-44164

HistoryDec 20, 2021 - 3:15 a.m.

CVE-2021-44164

2021-12-2003:15:06

CWE-434

twcert

web.nvd.nist.gov

cve-2021-44164

chain sea

ai chatbot

file upload

remote attacker

bypass

file type validation

malicious script

execute

arbitrary code

authentication

system control

service termination

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/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

9.8

Confidence

High

EPSS

0.059

Percentile

93.5%

JSON

Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service.

Affected configurations

Nvd

Node

chinaseaqb_smart_service_robotMatch-

VendorProductVersionCPE
chinaseaqb_smart_service_robot-cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
chinasea	qb_smart_service_robot	-	cpe:2.3:a:chinasea:qb_smart_service_robot:-:::::::*

CNA Affected

[
  {
    "product": "ai chatbot system",
    "vendor": "Chain Sea Information Integration Co., Ltd",
    "versions": [
      {
        "status": "unknown",
        "version": "0"
      }
    ]
  }
]

References

www.twcert.org.tw/tw/cp-132-5400-c31d1-1.html

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/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

9.8

Confidence

High

EPSS

0.059

Percentile

93.5%

JSON

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