What’s Vulnerable › Vulnerabilities

CVE-2017-5593

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-02-09 · updated 2026-06-17
• Weakness: CWE-20

Description

An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for Psi+ (0.16.563.580 - 0.16.571.627).

Affected products

• Psi-Plus Psi+: 0.16.563.580, 0.16.571.627

References

• http://openwall.com/lists/oss-security/2017/02/09/29
• http://www.securityfocus.com/bid/96169
• https://github.com/psi-im/iris/pull/47/commits/02e976d4426a1319a7af7d26d7aba9d8c6077570
• https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/
• https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf
• http://openwall.com/lists/oss-security/2017/02/09/29
• http://www.securityfocus.com/bid/96169
• https://github.com/psi-im/iris/pull/47/commits/02e976d4426a1319a7af7d26d7aba9d8c6077570
• https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/
• https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf

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