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[email protected]CVE-2021-39307

HistorySep 15, 2021 - 1:15 p.m.

CVE-2021-39307

2021-09-1513:15:08

CWE-79

[email protected]

web.nvd.nist.gov

pdftron

webviewer

8.0

cve-2021-39307

javascript

url

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

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.9%

JSON

PDFTron’s WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the execution of arbitrary JavaScript code.

Affected configurations

NVD

Node

pdftronwebviewer_uiRange≤8.0

CPENameOperatorVersion
pdftron:webviewer_uipdftron webviewer uile8.0

CPE	Name	Operator	Version
pdftron:webviewer_ui	pdftron webviewer ui	le	8.0

References

research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/

www.pdftron.com/webviewer/

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

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.9%

JSON

Related for CVE-2021-39307

nvd1 prion1 cvelist1