CVE-2021-45347
CVE-2021-45347 is a high-severity vulnerability in Zzcms with a CVSS 3.x base score of 7.5. 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-287.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Zzcms
- Published:
- Last modified:
Description
An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.
Frequently asked questions
- What is CVE-2021-45347?
- An Incorrect Access Control vulnerability exists in zzcms 8.2, which lets a malicious user bypass authentication by changing the user name in the cookie to use any password.
- How severe is CVE-2021-45347?
- CVE-2021-45347 has a CVSS 3.x base score of 7.5, rated high 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 none.
- Is CVE-2021-45347 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45347?
- CVE-2021-45347 affects Zzcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45347?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-45347 published?
- CVE-2021-45347 was published on 2022-02-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zzcms:zzcms:8.2:*:*:*:*:*:*:*
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