How severe is CVE-2021-41564?

CVE-2021-41564 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-41564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41564?

CVE-2021-41564 affects Tad Honor Project Tad Honor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41564?

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

When was CVE-2021-41564 published?

CVE-2021-41564 was published on 2021-10-08 and last updated on 2026-06-17.

CVE-2021-41564

CVE-2021-41564 is a medium-severity vulnerability in Tad Honor Project Tad Honor with a CVSS 3.x base score of 5.3. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Tad Honor Project Tad Honor
Published: 2021-10-08
Last modified: 2026-06-17

Description

Tad Honor viewing book list function is vulnerable to authorization bypass, thus remote attackers can use special parameters to delete articles arbitrarily without logging in.

Frequently asked questions

What is CVE-2021-41564?: Tad Honor viewing book list function is vulnerable to authorization bypass, thus remote attackers can use special parameters to delete articles arbitrarily without logging in.
How severe is CVE-2021-41564?: CVE-2021-41564 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-41564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41564?: CVE-2021-41564 affects Tad Honor Project Tad Honor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41564 published?: CVE-2021-41564 was published on 2021-10-08 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-5168-52304-1.html

Affected products (1)

cpe:2.3:a:tad_honor_project:tad_honor:*:*:*:*:*:*:*:*

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

Browse all CWE-285 (Improper Authorization) vulnerabilities →