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MitreCVE-2021-34821

HistoryJul 19, 2021 - 6:15 p.m.

CVE-2021-34821

2021-07-1918:15:08

CWE-79

mitre

web.nvd.nist.gov

aat

novus management system

xss vulnerability

webui

http 404 error handling

cve-2021-34821

nvd

CVSS2

4.3

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

CVSS3

6.1

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

EPSS

0.002

Percentile

51.6%

JSON

Cross Site Scripting (XSS) vulnerability exists in AAT Novus Management System through 1.51.2. The WebUI has wrong HTTP 404 error handling implemented. A remote, unauthenticated attacker may be able to exploit the issue by sending malicious HTTP requests to non-existing URIs. The value of the URL path filename is copied into the HTML document as plain text tags.

Affected configurations

Nvd

Node

aatnovus_management_systemRange≤1.51.2

VendorProductVersionCPE
aatnovus_management_system*cpe:2.3:a:aat:novus_management_system:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
aat	novus_management_system	*	cpe:2.3:a:aat:novus_management_system::::::::

References

seclists.org/fulldisclosure/2021/Jul/20

Social References

CVSS2

4.3

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

CVSS3

6.1

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

EPSS

0.002

Percentile

51.6%

JSON

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