CVE-2021-45808
CVE-2021-45808 is a high-severity vulnerability in Jpress with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Jpress
- Published:
- Last modified:
Description
jpress v4.2.0 allows users to register an account by default. With the account, user can upload arbitrary files to the server.
Frequently asked questions
- What is CVE-2021-45808?
- jpress v4.2.0 allows users to register an account by default. With the account, user can upload arbitrary files to the server.
- How severe is CVE-2021-45808?
- CVE-2021-45808 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-45808 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45808?
- CVE-2021-45808 affects Jpress. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-45808?
- 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-2021-45808 published?
- CVE-2021-45808 was published on 2022-01-19 and last updated on 2026-07-09.
References
Affected products (1)
- cpe:2.3:a:jpress:jpress:4.2.0:*:*:*:*:*:*:*
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