Multiple vulnerabilities in Siemens NX 1953 and NX 1980 Series
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-41535 CVE-2021-41538 |
| CWE-ID | CWE-416 CWE-824 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
NX 1980 Hardware solutions / Routers for home users NX 1953 Hardware solutions / Routers for home users |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU56916
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41535
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error while parsing OBJ files. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsNX 1980: before 1988
NX 1953: before 1973.3700
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-328042.txt
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 device 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) Access of Uninitialized Pointer
EUVDB-ID: #VU56919
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41538
CWE-ID:
CWE-824 - Access of Uninitialized Pointer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to an uninitialized pointer while parsing OBJ files. A remote attacker can trick a victim to open a specially crafted file and gain access to sensitive information on the target system.
MitigationInstall update from vendor's website.
Vulnerable software versionsNX 1980: before 1988
NX 1953: before 1973.3700
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-328042.txt
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 device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
