Vulnerability Details : CVE-2021-28209
The specific function in ASUS BMC’s firmware Web management page (Delete video file function) does not filter the specific parameter. As obtaining the administrator permission, remote attackers can use the means of path traversal to access system files.
Vulnerability category: Directory traversal
Exploit prediction scoring system (EPSS) score for CVE-2021-28209
Probability of exploitation activity in the next 30 days: 0.21%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 58 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-28209
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:L/Au:S/C:C/I:N/A:N |
8.0
|
6.9
|
NIST |
|
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
NIST |
|
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
TWCERT/CC |
CWE ids for CVE-2021-28209
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by:
- nvd@nist.gov (Primary)
- twcert@cert.org.tw (Secondary)
References for CVE-2021-28209
-
https://www.twcert.org.tw/tw/cp-132-4579-c8827-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心-ASUS BMC's firmware: path traversal - 刪除視頻檔案功能Third Party Advisory
-
https://www.asus.com/tw/support/callus/
官方支援 | ASUS 台灣Vendor Advisory
-
https://www.asus.com/content/ASUS-Product-Security-Advisory/
ASUS Product Security Advisory | ASUS GlobalVendor Advisory
Products affected by CVE-2021-28209
- cpe:2.3:o:asus:asmb9-ikvm_firmware:1.11.12:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720a-e9-rs24-e_firmware:1.10.3:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs700a-e9-rs4_firmware:1.10.0:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs700-e9-rs4_firmware:1.09:*:*:*:*:*:*:*
- cpe:2.3:o:asus:esc4000_g4x_firmware:1.11.6:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs700-e9-rs12_firmware:1.11.5:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs100-e10-pi2_firmware:1.13.6:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs300-e10-ps4_firmware:1.13.6:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs300-e10-rs4_firmware:1.13.6:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500a-e9-ps4_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500a-e9-rs4_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500a-e9_rs4_u_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:e700_g4_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:ws_c422_pro\/se_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:ws_x299_pro\/se_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:z11pa-u12_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:z11pa-u12\/10g-2s_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:knpa-u16_firmware:1.13.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:esc4000_dhd_g4_firmware:1.13.7:*:*:*:*:*:*:*
- cpe:2.3:o:asus:esc4000_g4_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720q-e9-rs24-s_firmware:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720q-e9-rs8_firmware:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720q-e9-rs8-s_firmware:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:o:asus:z11pa-d8_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:z11pa-d8c_firmware:1.14.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720-e9-rs24-u_firmware:1.14.3:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720-e9-rs8-g_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500-e9-ps4_firmware:1.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:pro_e800_g4_firmware:1.14.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500-e9-rs4_firmware:1.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500-e9-rs4-u_firmware:1.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs520-e9-rs12-e_firmware:1.15.3:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs520-e9-rs8_firmware:1.15.3:*:*:*:*:*:*:*
- cpe:2.3:o:asus:esc8000_g4_firmware:1.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:esc8000_g4\/10g_firmware:1.15.4:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720-e9-rs12-e_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:ws_c621e_sage_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500a-e10-ps4_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs500a-e10-rs4_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs700a-e9-rs12v2_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs700a-e9-rs4v2_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720a-e9-rs12v2_firmware:1.15.2:*:*:*:*:*:*:*
- cpe:2.3:o:asus:rs720a-e9-rs24v2_firmware:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:o:asus:z11pr-d16_firmware:1.15.3:*:*:*:*:*:*:*