How severe is CVE-2021-28207?

CVE-2021-28207 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-28207 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28207?

CVE-2021-28207 primarily affects Asus Asmb9-ikvm Firmware. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-28207?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-28207 published?

CVE-2021-28207 was published on 2021-04-06 and last updated on 2026-06-17.

CVE-2021-28207

CVE-2021-28207 is a medium-severity vulnerability in Asus Asmb9-ikvm Firmware with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 6.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Asus Asmb9-ikvm Firmware
Published: 2021-04-06
Last modified: 2026-06-17

Description

The specific function in ASUS BMC’s firmware Web management page (Get Help 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.

Frequently asked questions

What is CVE-2021-28207?: The specific function in ASUS BMC’s firmware Web management page (Get Help 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-2021-28207?: CVE-2021-28207 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-28207 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28207?: CVE-2021-28207 primarily affects Asus Asmb9-ikvm Firmware. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-28207?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28207 published?: CVE-2021-28207 was published on 2021-04-06 and last updated on 2026-06-17.

References

Affected products (44)

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:*:*:*:*:*:*:*

More vulnerabilities in Asus Asmb9-ikvm Firmware

CVE-2021-28209 — Medium (CVSS 4.9): The specific function in ASUS BMC’s firmware Web management page (Delete video file function) does not filter the…
CVE-2021-28208 — Medium (CVSS 4.9): The specific function in ASUS BMC’s firmware Web management page (Get video file function) does not filter the…
CVE-2021-28206 — Medium (CVSS 4.9): The specific function in ASUS BMC’s firmware Web management page (Record video file function) does not filter the…
CVE-2021-28202 — Medium (CVSS 4.9): The Service configuration-2 function in ASUS BMC’s firmware Web management page does not verify the string length…
CVE-2021-28201 — Medium (CVSS 4.9): The Service configuration-1 function in ASUS BMC’s firmware Web management page does not verify the string length…
CVE-2021-28200 — Medium (CVSS 4.9): The CD media configuration function in ASUS BMC’s firmware Web management page does not verify the string length…

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