CVE-2021-32917

Description

An issue was discovered in Prosody before 0.11.9. The proxy65 component allows open access by default, even if neither of the users has an XMPP account on the local server, allowing unrestricted use of the server's bandwidth.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.01% Top 15%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory prosody.im
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.prosody.im/prosody-0.11.9-released/ release notes vendor advisory
http://www.openwall.com/lists/oss-security/2021/05/13/1 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2021/05/14/2 mailing list third party advisory mitigation
https://www.debian.org/security/2021/dsa-4916 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6MFFBZWXKPZEVZNQSVJNCUE7WRF3T7DG/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWJ2DG2DFJOEFEWOUN26IMYYWGSA2ZEE/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUN63AHEWB2WRROJHU3BVJRWLONCT2B7/ vendor advisory
https://security.gentoo.org/glsa/202105-15 third party advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00016.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-32917?
CVE-2021-32917 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32917?
To fix CVE-2021-32917, 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-2021-32917 being actively exploited in the wild?
It is possible that CVE-2021-32917 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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