Multiple vulnerabilities in Dell Data Domain
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 6 |
| CVE-ID | CVE-2021-21539 CVE-2021-21540 CVE-2021-21541 CVE-2021-21542 CVE-2021-21543 CVE-2021-21544 |
| CWE-ID | CWE-367 CWE-121 CWE-79 CWE-287 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
EMC Data Domain Client/Desktop applications / File managers, FTP clients |
| Vendor | Dell |
Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
1) Time-of-check Time-of-use (TOCTOU) Race Condition
EUVDB-ID: #VU66212
Risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21539
CWE-ID:
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a Time-of-check Time-of-use (TOCTOU) race condition. A remote unauthenticated attacker can exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.
MitigationInstall update from vendor's website.
Vulnerable software versionsEMC Data Domain: before 7.6.0.7
External linksQ & 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) Stack-based buffer overflow
EUVDB-ID: #VU66213
Risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21540
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when #CONDITION1#. A remote user can exploit this vulnerability to overwrite configuration information by injecting arbitrarily large payload.
MitigationInstall update from vendor's website.
Vulnerable software versionsEMC Data Domain: before 7.6.0.7
External linksQ & 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.
3) Cross-site scripting
EUVDB-ID: #VU66214
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-2021-21541
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. 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 versionsEMC Data Domain: before 7.6.0.7
External linksQ & 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.
4) Cross-site scripting
EUVDB-ID: #VU66216
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21542
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote with high privileges 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 versionsEMC Data Domain: before 7.6.0.7
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Cross-site scripting
EUVDB-ID: #VU66217
Risk: Medium
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21543
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user with high privileges 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 versionsEMC Data Domain: before 7.6.0.7
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Improper Authentication
EUVDB-ID: #VU66218
Risk: Low
CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21544
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests. A remote user with high privileges can exploit this vulnerability to manipulate the username field under the comment section and set the value to any user.
MitigationInstall update from vendor's website.
Vulnerable software versionsEMC Data Domain: before 7.6.0.7
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
