How severe is CVE-2020-36897?

CVE-2020-36897 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36897 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36897?

CVE-2020-36897 affects Howfor Qihang Media Web Digital Signage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36897?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2020-36897 have an EU (EUVD) identifier?

Yes. CVE-2020-36897 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30835.

When was CVE-2020-36897 published?

CVE-2020-36897 was published on 2025-12-10 and last updated on 2026-06-17.

CVE-2020-36897

CVE-2020-36897 is a critical-severity vulnerability in Howfor Qihang Media Web Digital Signage with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30835
Weakness: CWE-434
Affected product: Howfor Qihang Media Web Digital Signage
Published: 2025-12-10
Last modified: 2026-06-17

Description

QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using the 'remotePath' and 'fileToUpload' parameters to write and execute arbitrary system commands on the server.

Frequently asked questions

What is CVE-2020-36897?: QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx file that allows attackers to upload malicious ASPX scripts. Attackers can exploit the file upload functionality by using the 'remotePath' and 'fileToUpload' parameters to write and execute arbitrary system commands on the server.
How severe is CVE-2020-36897?: CVE-2020-36897 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36897 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36897?: CVE-2020-36897 affects Howfor Qihang Media Web Digital Signage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36897?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-36897 have an EU (EUVD) identifier?: Yes. CVE-2020-36897 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30835.
When was CVE-2020-36897 published?: CVE-2020-36897 was published on 2025-12-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:howfor:qihang_media_web_digital_signage:3.0.9:*:*:*:*:*:*:*

More vulnerabilities in Howfor Qihang Media Web Digital Signage

CVE-2020-36898 — Critical (CVSS 9.1): QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint…
CVE-2020-36899 — High (CVSS 7.5): QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file disclosure vulnerability that allows remote…
CVE-2020-36896 — High (CVSS 7.5): QiHang Media Web Digital Signage 3.0.9 contains a cleartext credentials vulnerability that allows unauthenticated…

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