Vulnerability Details : CVE-2021-28193
The SMTP configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.
Vulnerability category: Overflow
Products affected by CVE-2021-28193
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28193
0.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28193
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
1.2
|
3.6
|
NIST | |
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
1.2
|
3.6
|
TWCERT/CC |
CWE ids for CVE-2021-28193
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- nvd@nist.gov (Primary)
- twcert@cert.org.tw (Secondary)
References for CVE-2021-28193
-
https://www.asus.com/tw/support/callus/
官方支援 | ASUS 台灣Vendor Advisory
-
https://www.twcert.org.tw/tw/cp-132-4563-e4092-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心-ASUS BMC's firmware: buffer overflow - 設定SMTP功能Third Party Advisory
-
https://www.asus.com/content/ASUS-Product-Security-Advisory/
ASUS Product Security Advisory | ASUS GlobalVendor Advisory
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