CVE-2021-28206
MEDIUMCVSS 4.9/10EPSS 1.90%
Last modified
CVE-2021-28206 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. The specific function in ASUS BMC’s firmware Web management page (Record 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.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.
Description
The specific function in ASUS BMC’s firmware Web management page (Record 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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Asus | Asmb9-Ikvm Firmware | 1.11.12 |
| Asus | Rs720a-E9-Rs24-E Firmware | 1.10.3 |
| Asus | Rs700a-E9-Rs4 Firmware | 1.10.0 |
| Asus | Rs700-E9-Rs4 Firmware | 1.09 |
| Asus | Esc4000 G4x Firmware | 1.11.6 |
| Asus | Rs700-E9-Rs12 Firmware | 1.11.5 |
| Asus | Rs100-E10-Pi2 Firmware | 1.13.6 |
| Asus | Rs300-E10-Ps4 Firmware | 1.13.6 |
| Asus | Rs300-E10-Rs4 Firmware | 1.13.6 |
| Asus | Rs500a-E9-Ps4 Firmware | 1.14.1 |
| Asus | Rs500a-E9-Rs4 Firmware | 1.14.1 |
| Asus | Rs500a-E9 Rs4 U Firmware | 1.14.1 |
| Asus | E700 G4 Firmware | 1.14.1 |
| Asus | Ws C422 Pro\/Se Firmware | 1.14.1 |
| Asus | Ws X299 Pro\/Se Firmware | 1.14.1 |
| Asus | Z11pa-U12 Firmware | 1.15.1 |
| Asus | Z11pa-U12\/10g-2s Firmware | 1.15.1 |
| Asus | Knpa-U16 Firmware | 1.13.4 |
| Asus | Esc4000 Dhd G4 Firmware | 1.13.7 |
| Asus | Esc4000 G4 Firmware | 1.15.2 |
| Asus | Rs720q-E9-Rs24-S Firmware | 1.15.0 |
| Asus | Rs720q-E9-Rs8 Firmware | 1.15.0 |
| Asus | Rs720q-E9-Rs8-S Firmware | 1.15.0 |
| Asus | Z11pa-D8 Firmware | 1.14.1 |
| Asus | Z11pa-D8c Firmware | 1.14.1 |
| Asus | Rs720-E9-Rs24-U Firmware | 1.14.3 |
| Asus | Rs720-E9-Rs8-G Firmware | 1.15.2 |
| Asus | Rs500-E9-Ps4 Firmware | 1.15.4 |
| Asus | Pro E800 G4 Firmware | 1.14.2 |
| Asus | Rs500-E9-Rs4 Firmware | 1.15.4 |
| Asus | Rs500-E9-Rs4-U Firmware | 1.15.4 |
| Asus | Rs520-E9-Rs12-E Firmware | 1.15.3 |
| Asus | Rs520-E9-Rs8 Firmware | 1.15.3 |
| Asus | Esc8000 G4 Firmware | 1.15.4 |
| Asus | Esc8000 G4\/10g Firmware | 1.15.4 |
| Asus | Rs720-E9-Rs12-E Firmware | 1.15.2 |
| Asus | Ws C621e Sage Firmware | 1.15.1 |
| Asus | Rs500a-E10-Ps4 Firmware | 1.15.2 |
| Asus | Rs500a-E10-Rs4 Firmware | 1.15.2 |
| Asus | Rs700a-E9-Rs12v2 Firmware | 1.15.1 |
| Asus | Rs700a-E9-Rs4v2 Firmware | 1.15.1 |
| Asus | Rs720a-E9-Rs12v2 Firmware | 1.15.2 |
| Asus | Rs720a-E9-Rs24v2 Firmware | 1.15.1 |
| Asus | Z11pr-D16 Firmware | 1.15.3 |
References
- https://www.asus.com/content/ASUS-Product-Security-Advisory/Vendor Advisory
- https://www.asus.com/tw/support/callus/Vendor Advisory
- https://www.twcert.org.tw/tw/cp-132-4576-422ac-1.htmlThird Party Advisory
- https://www.asus.com/content/ASUS-Product-Security-Advisory/Vendor Advisory
- https://www.asus.com/tw/support/callus/Vendor Advisory
- https://www.twcert.org.tw/tw/cp-132-4576-422ac-1.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28206?
The specific function in ASUS BMC’s firmware Web management page (Record 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.
How severe is CVE-2021-28206?
CVE-2021-28206 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28206?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-28200The CD media configuration function in ASUS BMC’s firmware W…4.9
- CVE-2021-28201The Service configuration-1 function in ASUS BMC’s firmware …4.9
- CVE-2021-28202The Service configuration-2 function in ASUS BMC’s firmware …4.9
- CVE-2021-28203The Web Set Media Image function in ASUS BMC’s firmware Web …7.2
- CVE-2021-28204The specific function in ASUS BMC’s firmware Web management …7.2
- CVE-2021-28205The specific function in ASUS BMC’s firmware Web management …4.9
- CVE-2021-28207The specific function in ASUS BMC’s firmware Web management …4.9
- CVE-2021-28208The specific function in ASUS BMC’s firmware Web management …4.9
- CVE-2021-28209The specific function in ASUS BMC’s firmware Web management …4.9
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- CVE-2021-28211A heap overflow in LzmaUefiDecompressGetInfo function in EDK…6.7
- CVE-2021-28213Example EDK2 encrypted private key in the IpSecDxe.efi prese…7.5
Are you affected by CVE-2021-28206?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST