CVE-2021-20634
MEDIUMCVSS 4.3/10EPSS 0.72%
Last modified
CVE-2021-20634 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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/36865/Vendor Advisory
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36865/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20634?
Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.
How severe is CVE-2021-20634?
CVE-2021-20634 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20634?
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-2021-20634?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST