Multiple vulnerabilities in Emerson OpenEnterprise
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2020-10640 CVE-2020-10632 CVE-2020-10636 |
| CWE-ID | CWE-306 CWE-264 CWE-326 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
OpenEnterprise Server applications / SCADA systems |
| Vendor | Emerson |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
Updated: 21.05.2020
Updated description and CVSS for vulnerability #2, added additional links.
1) Missing Authentication for Critical Function
EUVDB-ID: #VU28120
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10640
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to an insufficient authentication mechanism. A remote attacker can run an arbitrary commands with system privileges or execute arbitrary code via a specific communication service.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpenEnterprise: 3.3.4
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-140-02
http://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/05/20/klcert-20-012-missing-authentication-in-emerson-openenterprise-scada-before-3-3-4
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 send a specially crafted request to the affected application in order to exploit this vulnerability.
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: #VU28122
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10632
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to inadequate folder security permissions. A local user can modify important configuration files, which could cause the system to fail or behave in an unpredictable manner.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpenEnterprise: 3.3.4
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-140-02
http://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/05/20/klcert-20-010-improper-ownership-management-in-emerson-openenterprise-scada-before-3-3-4
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.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Inadequate Encryption Strength
EUVDB-ID: #VU28124
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10636
CWE-ID:
CWE-326 - Inadequate Encryption Strength
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to inadequate encryption. A local user can obtain the passwords for OpenEnterprise user accounts.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpenEnterprise: 3.3.4
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-140-02
http://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/05/20/klcert-20-011-inadequate-encryption-strength-in-emerson-openenterprise-scada-before-3-3-4
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.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
