Multiple vulnerabilities in Honeywell Experion PKS and ACE Controllers
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-38397 CVE-2021-38395 CVE-2021-38399 |
| CWE-ID | CWE-434 CWE-74 CWE-22 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Experion Process Knowledge System C200 Hardware solutions / Firmware Experion Process Knowledge System C200E Hardware solutions / Firmware Experion Process Knowledge System C300 and ACE controllers Hardware solutions / Firmware |
| Vendor | Honeywell International, Inc |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Arbitrary file upload
EUVDB-ID: #VU57088
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-38397
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsExperion Process Knowledge System C200: All versions
Experion Process Knowledge System C200E: All versions
Experion Process Knowledge System C300 and ACE controllers: before R510.2 Hotfix10
CPE2.3- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200e:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c300_and_ace_controllers:*:*:*:*:*:*:*:*
https://ics-cert.us-cert.gov/advisories/icsa-21-278-04
https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C30...
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.
2) Improper Neutralization of Special Elements in Output Used by a Downstream Component
EUVDB-ID: #VU57089
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-38395
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper neutralization of special elements in output. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsExperion Process Knowledge System C200: All versions
Experion Process Knowledge System C200E: All versions
Experion Process Knowledge System C300 and ACE controllers: before R510.2 Hotfix10
CPE2.3- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200e:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c300_and_ace_controllers:*:*:*:*:*:*:*:*
https://ics-cert.us-cert.gov/advisories/icsa-21-278-04
https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C30...
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) Path traversal
EUVDB-ID: #VU57090
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-38399
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsExperion Process Knowledge System C200: All versions
Experion Process Knowledge System C200E: All versions
Experion Process Knowledge System C300 and ACE controllers: before R510.2 Hotfix10
CPE2.3- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c200e:*:*:*:*:*:*:*:*
- cpe:2.3:h:honeywell_international:experion_process_knowledge_system_c300_and_ace_controllers:*:*:*:*:*:*:*:*
https://ics-cert.us-cert.gov/advisories/icsa-21-278-04
https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf
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.
