Multiple vulnerabilities in Microsoft Azure RTOS
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 6 |
| CVE-ID | CVE-2021-42303 CVE-2021-42302 CVE-2021-42301 CVE-2021-26444 CVE-2021-42323 CVE-2021-42304 |
| CWE-ID | CWE-264 CWE-200 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Azure RTOS Other software / Other software solutions |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 6 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58041
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42303
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Azure RTOS, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42303
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58046
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42302
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Azure RTOS, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42302
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Information disclosure
EUVDB-ID: #VU58045
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42301
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Azure RTOS. A local attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42301
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Information disclosure
EUVDB-ID: #VU58044
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-26444
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Azure RTOS. A local attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26444
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Information disclosure
EUVDB-ID: #VU58043
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42323
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Azure RTOS. A local attacker can gain unauthorized access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42323
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU58042
Risk: Low
CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42304
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Azure RTOS, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAzure RTOS: All versions
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42304
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
