CVE-2020-21783
MEDIUMCVSS 6.1/10EPSS 0.69%
Last modified
CVE-2020-21783 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.
Description
In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibos | Ibos | 4.5.4 |
References
- https://gitee.com/ibos/IBOS/issues/I189ZFExploit, Third Party Advisory
- https://gitee.com/ibos/IBOS/issues/I189ZFExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-21783?
In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.
How severe is CVE-2020-21783?
CVE-2020-21783 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21783?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2020-21783?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST