CVE-2021-20631
MEDIUMCVSS 6.5/10EPSS 0.74%
Last modified
CVE-2021-20631 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper input validation vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attacker to alter the data of Custom App via unspecified vectors.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.
Description
Improper input validation vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attacker to alter the data of Custom App via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cybozu | Office | >= 10.0.0, <= 10.8.4 |
References
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36871/Vendor Advisory
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36871/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20631?
Improper input validation vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attacker to alter the data of Custom App via unspecified vectors.
How severe is CVE-2021-20631?
CVE-2021-20631 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20631?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-20631?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST