Multiple vulnerabilities in Adobe Experience Manager



Published: 2021-05-12
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-21083
CVE-2021-21084
CWE-ID CWE-284
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Adobe Experience Manager
Client/Desktop applications / Office applications

Vendor Adobe

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU53164

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21083

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Experience Manager: 6.3, 6.3.1.0, 6.3.2.0, 6.3.2.2, 6.3.3.0, 6.3.3.2, 6.3.3.7, 6.3.3.8, 6.4, 6.4.0, 6.4.0 HOTFIX 30379, 6.4.0 HOTFIX 31868, 6.4.1.0, 6.4.2.0, 6.4.3.0, 6.4.7.0, 6.4.8.0, 6.4.8.1, 6.4.8.2, 6.4.8.3, 6.5, 6.5.0 HOTFIX 30379, 6.5.0 HOTFIX 31870, 6.5.3.0, 6.5.4.0, 6.5.5.0, 6.5.6.0, 6.5.7.0

CPE2.3 External links

http://helpx.adobe.com/security/products/experience-manager/apsb21-15.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU53165

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21084

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Adobe Experience Manager: 6.3, 6.3.1.0, 6.3.2.0, 6.3.2.2, 6.3.3.0, 6.3.3.2, 6.3.3.7, 6.3.3.8, 6.4, 6.4.0, 6.4.0 HOTFIX 30379, 6.4.0 HOTFIX 31868, 6.4.1.0, 6.4.2.0, 6.4.3.0, 6.4.7.0, 6.4.8.0, 6.4.8.1, 6.4.8.2, 6.4.8.3, 6.5, 6.5.0 HOTFIX 30379, 6.5.0 HOTFIX 31870, 6.5.3.0, 6.5.4.0, 6.5.5.0, 6.5.6.0, 6.5.7.0

CPE2.3 External links

http://helpx.adobe.com/security/products/experience-manager/apsb21-15.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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