CVE-2017-5591
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 (1.73%). 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 SleekXMPP up to 1.3.1 and Slixmpp all versions up to 1.2.3, as bundled in poezio (0.8 - 0.10) and other products.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.73% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-346
- Affected
- sleekxmpp project/sleekxmpp · slixmpp project/slixmpp · poezio/poezio
- Source
- cve@mitre.org
EPSS 1.7% 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/96166Third Party Advisory, VDB Entry
- https://github.com/poezio/slixmpp/commit/22664ee7b86c8e010f312b66d12590fb47160ad8Patch
- 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/96166Third Party Advisory, VDB Entry
- https://github.com/poezio/slixmpp/commit/22664ee7b86c8e010f312b66d12590fb47160ad8Patch
- 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.