Multiple vulnerabilities in PTC Kepware KepServerEX and ThingWorx Kepware Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2023-29444 CVE-2023-29445 CVE-2023-29446 CVE-2023-29447 |
| CWE-ID | CWE-427 CWE-22 CWE-522 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
ThingWorx Kepware Server Server applications / Other server solutions Kepware KepServerEX Server applications / Other server solutions |
| Vendor | PTC |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Insecure DLL loading
EUVDB-ID: #VU80223
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-29444
CWE-ID:
CWE-427 - Uncontrolled Search Path Element
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local administrator can place a specially crafted .dll file and execute arbitrary code on victim's system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsThingWorx Kepware Server: 6.14.263.0
Kepware KepServerEX: 6.14.263.0
External linkshttp://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
http://www.ptc.com/en/support/article/cs399528
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) Insecure DLL loading
EUVDB-ID: #VU80224
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-29445
CWE-ID:
CWE-427 - Uncontrolled Search Path Element
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local administrator can place a specially crafted .dll file and gain elevated privileges on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsThingWorx Kepware Server: 6.14.263.0
Kepware KepServerEX: 6.14.263.0
External linkshttp://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
http://www.ptc.com/en/support/article/cs399528
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) Path traversal
EUVDB-ID: #VU80225
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-29446
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 trick a victim to load a specially crafted project file and read arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsKepware KepServerEX: 6.14.263.0
ThingWorx Kepware Server: 6.14.263.0
External linkshttp://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
http://www.ptc.com/en/support/article/cs399528
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.
4) Insufficiently protected credentials
EUVDB-ID: #VU80226
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-29447
CWE-ID:
CWE-522 - Insufficiently Protected Credentials
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to insufficiently protected credentials. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack via ARP spoofing and obtain the web server's plaintext credentials.
MitigationInstall updates from vendor's website.
Vulnerable software versionsThingWorx Kepware Server: 6.14.263.0
Kepware KepServerEX: 6.14.263.0
External linkshttp://www.cisa.gov/news-events/ics-advisories/icsa-23-243-03
http://www.ptc.com/en/support/article/cs399528
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.
