CVE-2021-43956
MEDIUMCVSS 6.1/10EPSS 0.70%
Last modified
CVE-2021-43956 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The jQuery deserialize library in Fisheye and Crucible before version 4.8.9 allowed remote attackers to to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
Description
The jQuery deserialize library in Fisheye and Crucible before version 4.8.9 allowed remote attackers to to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability.
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 |
|---|---|---|
| Atlassian | Crucible | < 4.8.9 |
| Atlassian | Fisheye | < 4.8.9 |
References
- https://jira.atlassian.com/browse/CRUC-8531Issue Tracking, Vendor Advisory
- https://jira.atlassian.com/browse/FE-7395Issue Tracking, Vendor Advisory
- https://jira.atlassian.com/browse/CRUC-8531Issue Tracking, Vendor Advisory
- https://jira.atlassian.com/browse/FE-7395Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43956?
The jQuery deserialize library in Fisheye and Crucible before version 4.8.9 allowed remote attackers to to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability.
How severe is CVE-2021-43956?
CVE-2021-43956 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43956?
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-2021-43956?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST