CVE-2017-5593
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.
Does this matter?
Lower severity and a low EPSS score (0.68%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.68% probability · 52th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-346
- Affected
- psi-plus/psi\+
- Source
- cve@mitre.org
EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://openwall.com/lists/oss-security/2017/02/09/29Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96169
- https://github.com/psi-im/iris/pull/47/commits/02e976d4426a1319a7af7d26d7aba9d8c6077570Patch
- https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/Exploit, Technical Description, Third Party Advisory
- https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdfExploit, Technical Description, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/02/09/29Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/96169
- https://github.com/psi-im/iris/pull/47/commits/02e976d4426a1319a7af7d26d7aba9d8c6077570Patch
- https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/Exploit, Technical Description, Third Party Advisory
- https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdfExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.