CVE-2016-10027 describes a race condition in the XMPP library in Smack before version 4.1.9, impacting fedoraproject and igniterealtime Smack implementations. This vulnerability allows man-in-the-middle attackers to bypass TLS protections and force cleartext client authentication by stripping the "starttls" feature from server responses. With a CVSS score of 5.9 (Medium), exploitation requires high attack complexity but can lead to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.1.9CPE matchmatch criteria | cpe:2.3:a:igniterealtime:smack:*:*:*:*:*:*:*:* | ||
25CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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