How severe is CVE-2020-36898?

CVE-2020-36898 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-36898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36898?

CVE-2020-36898 affects Howfor Qihang Media Web Digital Signage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36898?

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-2020-36898 have an EU (EUVD) identifier?

Yes. CVE-2020-36898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30834.

When was CVE-2020-36898 published?

CVE-2020-36898 was published on 2025-12-10 and last updated on 2026-06-17.

CVE-2020-36898

CVE-2020-36898 is a critical-severity vulnerability in Howfor Qihang Media Web Digital Signage with a CVSS 3.x base score of 9.1. 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: Critical (CVSS 3.x base score 9.1)
CVSS v4: 8.8
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30834
Weakness: CWE-22
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 file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.

Frequently asked questions

What is CVE-2020-36898?: QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated file deletion vulnerability in the QH.aspx endpoint that allows remote attackers to delete files without authentication. Attackers can exploit the 'data' parameter by sending a POST request with file paths to delete arbitrary files with web server permissions using directory traversal sequences.
How severe is CVE-2020-36898?: CVE-2020-36898 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-36898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36898?: CVE-2020-36898 affects Howfor Qihang Media Web Digital Signage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36898?: 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-2020-36898 have an EU (EUVD) identifier?: Yes. CVE-2020-36898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30834.
When was CVE-2020-36898 published?: CVE-2020-36898 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-2020-36897 — Critical (CVSS 9.8): QiHang Media Web Digital Signage 3.0.9 contains an unauthenticated remote code execution vulnerability in the QH.aspx…
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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