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CVE-2017-5591

22
FAUCET Score

CVE-2017-5591 describes an incorrect implementation of XEP-0280: Message Carbons in SleekXMPP (up to 1.3.1) and Slixmpp (all versions up to 1.2.3), including when bundled with poezio (0.8-0.10). This flaw allows a remote attacker to impersonate any user within the vulnerable XMPP client's display, facilitating social engineering attacks. Rated Medium severity with a CVSS score of 5.9, the vulnerability has a network attack vector and high impact on integrity, but requires no user interaction. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.1CPE matchmatch criteria
cpe:2.3:a:sleekxmpp_project:sleekxmpp:*:*:*:*:*:*:*:*
<= 1.2.3CPE matchmatch criteria
cpe:2.3:a:slixmpp_project:slixmpp:*:*:*:*:*:*:*:*
0.8CPE matchmatch criteria
cpe:2.3:a:poezio:poezio:0.8:*:*:*:*:*:*:*
0.8.1CPE matchmatch criteria
cpe:2.3:a:poezio:poezio:0.8.1:*:*:*:*:*:*:*
0.9CPE matchmatch criteria
cpe:2.3:a:poezio:poezio:0.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
75.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0171 is in the 53rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: slixmppFixed in: 1.2.4
pippatch availablevia ghsa
Product: SleekXMPPFixed in: 1.3.2

Vendor Advisories (1)

pipGHSA-c35g-jr5f-h83pmedium

SleekXMPP and Slixmpp Incorrect Implementation of Message Carbons

May 13, 2022

References

openwall.com / lists/oss-security/2017/02/09/29
ExploitMailing ListThird Party Advisory
github.com / poezio/slixmpp/commit/22664ee7b86c8e010f312b66d12590fb47160ad8
Patch
rt-solutions.de / en/2017/02/CVE-2017-5589_xmpp_carbons
ExploitTechnical DescriptionThird Party Advisory
rt-solutions.de / wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf
ExploitTechnical DescriptionThird Party Advisory
securityfocus.com / bid/96166
Third Party AdvisoryVDB Entry