CVE-2021-46900

Description

Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory sympa.community
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.sympa.community/security/2021-001.html mitigation vendor advisory
https://github.com/sympa-community/sympa-community.github.io/blob/master/security/2021-001.md mitigation vendor advisory
https://github.com/sympa-community/sympa/issues/1091 vendor advisory mitigation issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-46900?
CVE-2021-46900 has been scored as a high severity vulnerability.
How to fix CVE-2021-46900?
To fix CVE-2021-46900, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-46900 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-46900 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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