Denial of service in Johnson Controls exacqVision Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-27665 |
| CWE-ID | CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
exacqVision Server Client/Desktop applications / Software for system administration |
| Vendor | Johnson Controls |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Integer overflow
EUVDB-ID: #VU57165
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-27665
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow. A remote attacker can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsexacqVision Server: 21.06.11.0
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-21-280-03
http://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2021/jci-psa-2021-18.pdf?la=en&hash=D5577A925D77BDFA025AAB3708AACC1A0B62AF67
http://www.tenable.com/security/research/tra-2021-40
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.
