Multiple vulnerabilities in Oracle Application Express
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-2460 CVE-2020-26870 CVE-2020-27193 |
| CWE-ID | CWE-20 CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Oracle Application Express Web applications / Remote management & hosting panels |
| Vendor | Oracle |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper input validation
EUVDB-ID: #VU55048
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2460
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated user to read and manipulate data.
The vulnerability exists due to improper input validation within the Oracle Application Express in Oracle Database Server. A remote authenticated user can exploit this vulnerability to read and manipulate data.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle Application Express: 21.1.0.00.01
External linkshttp://www.oracle.com/security-alerts/cpujul2021.html?534662
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Cross-site scripting
EUVDB-ID: #VU49403
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-26870
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in Cure53 DOMPurify. 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.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle Application Express: before 21.1.0.00.01
External linkshttp://www.oracle.com/security-alerts/cpujul2021.html?534662
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper input validation
EUVDB-ID: #VU52500
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-2020-27193
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The vulnerability exists due to improper input validation within the Experience Manager, Business Control Center (CKEditor) component in Oracle Commerce Merchandising. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle Application Express: before 21.1.0.00.01
External linkshttp://www.oracle.com/security-alerts/cpujul2021.html?534662
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
