CVE-2020-21101 : Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, includ

Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, including v1.8.2 (2019-09-25-Screenly-OSE-lite.img), in the 'Add Asset' page via manipulation of a 'URL' field, which could let a remote malicious user execute arbitrary code.

Published 2021-04-29 17:15:09

Updated 2021-05-10 19:02:38

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)Execute code

Products affected by CVE-2020-21101

Screenly » Screenly » Version: 0.9 OSE Edition
cpe:2.3:a:screenly:screenly:0.9:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.9.1 OSE Edition
cpe:2.3:a:screenly:screenly:0.9.1:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.10 OSE Edition
cpe:2.3:a:screenly:screenly:0.10:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.11 OSE Edition
cpe:2.3:a:screenly:screenly:0.11:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.12 OSE Edition
cpe:2.3:a:screenly:screenly:0.12:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.12.1 OSE Edition
cpe:2.3:a:screenly:screenly:0.12.1:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.13 OSE Edition
cpe:2.3:a:screenly:screenly:0.13:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.14 OSE Edition
cpe:2.3:a:screenly:screenly:0.14:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.15 OSE Edition
cpe:2.3:a:screenly:screenly:0.15:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.15.1 OSE Edition
cpe:2.3:a:screenly:screenly:0.15.1:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.16 OSE Edition
cpe:2.3:a:screenly:screenly:0.16:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.17 OSE Edition
cpe:2.3:a:screenly:screenly:0.17:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.18 OSE Edition
cpe:2.3:a:screenly:screenly:0.18:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.18.1 OSE Edition
cpe:2.3:a:screenly:screenly:0.18.1:*:*:*:ose:*:*:*
Matching versions
Screenly » Screenly » Version: 0.18.2 OSE Edition
cpe:2.3:a:screenly:screenly:0.18.2:*:*:*:ose:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-21101

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 20 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-21101

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2020-21101

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-21101

https://github.com/Screenly/screenly-ose/issues/1254

Cross Site Scripting (Stored) vulnerability · Issue #1254 · Screenly/screenly-ose · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2020-21101

Products affected by CVE-2020-21101

Exploit prediction scoring system (EPSS) score for CVE-2020-21101

CVSS scores for CVE-2020-21101

CWE ids for CVE-2020-21101

References for CVE-2020-21101