CVE-2021-34345
QNAP NVR Storage Expansion Stack Buffer Overflow Vulnerability
Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later
INFO
Published Date :
Sept. 10, 2021, 4:15 a.m.
Last Modified :
Feb. 10, 2022, 7:44 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-34345
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-34345.
| URL | Resource |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-21-36 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-34345 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34345 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 10, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
Jan. 03, 2022
Action Type Old Value New Value Removed CWE QNAP Systems, Inc. CWE-120 Added CWE QNAP Systems, Inc. CWE-787 Removed CWE Reason CWE-120 / More specific CWE option available -
Initial Analysis by [email protected]
Oct. 04, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.qnap.com/en/security-advisory/qsa-21-36 No Types Assigned https://www.qnap.com/en/security-advisory/qsa-21-36 Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:qnap:ej1600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:ej1600:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r1620sdc_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r1620sdc:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r1620sep-rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r1620sep-rp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r1220sep-rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r1220sep-rp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-d1600s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-d1600s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-d800s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-d800s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-d400s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-d400s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r1200s-rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r1200s-rp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r400s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r400s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-r1200c-rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-r1200c-rp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tl-d800c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tl-d800c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tr-004_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tr-004:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tr-002_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tr-002:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:qnap:tr-004u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6 OR cpe:2.3:h:qnap:tr-004u:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 10, 2021
Action Type Old Value New Value Changed Description A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34345 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-34345
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.34 }} 0.02%
score
0.72035
percentile