CVE-2017-5591

Name: CVE-2017-5591
Creator: NVD / NIST
Published: 2017-02-09T20:59:00.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2017-5591 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.26%

65.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sleekxmpp Project	Sleekxmpp	<= 1.3.1
Slixmpp Project	Slixmpp	<= 1.2.3
Poezio	Poezio	0.8
Poezio	Poezio	0.8.1
Poezio	Poezio	0.9
Poezio	Poezio	0.10

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

Timeline

Published: Feb 9, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5591?

How severe is CVE-2017-5591?

CVE-2017-5591 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5591?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5591?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST