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CVE-2017-5591

SleekXMPP and Slixmpp Incorrect Implementation of Message Carbons

5.9 MediumFix available

CVE-2017-5591 is a medium vulnerability (CVSS 5.9) in Poezio, published February 9, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. Fixed in slixmpp 1.2.4.

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

1.73%Up 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.9

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.

Record
CVE-2017-5591
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-20, CWE-346
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-5591
Updated
2026-11-02
EUVDEUVD-2017-0129 No score

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.

Record
EUVD-2017-0129
Updated
2026-11-03
GitHub AdvisoriesGHSA-c35g-jr5f-h83p 5.9

SleekXMPP and Slixmpp Incorrect Implementation of Message Carbons

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.

Record
GHSA-c35g-jr5f-h83p
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-940
Updated
2026-11-02
OSV 5.9

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.

Record
CVE-2017-5591
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2017-5591 5.9

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.

Record
DEBIAN-CVE-2017-5591
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
Show 4 moreShow less
OSVGHSA-c35g-jr5f-h83p 5.9

SleekXMPP and Slixmpp Incorrect Implementation of Message Carbons

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.

Record
GHSA-c35g-jr5f-h83p
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-940
Updated
2026-11-02
OSVUBUNTU-CVE-2017-5591 5.9

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.

Record
UBUNTU-CVE-2017-5591
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVPYSEC-2017-103 No score

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.

Record
PYSEC-2017-103
Updated
2026-11-02
OSVPYSEC-2017-104 No score

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.

Record
PYSEC-2017-104
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
slixmpp
PyPI
 through 1.2.3
1.2.4
sleekxmpp
PyPI
 through 1.3.1
1.3.2
slixmpp
Debian:12
 before 1.2.2-1.1
1.2.2-1.1
slixmpp
Debian:13
 before 1.2.2-1.1
1.2.2-1.1
slixmpp
Debian:14
 before 1.2.2-1.1
1.2.2-1.1
slixmpp
PyPI
 before 1.2.4, plus listed versions
1.01.0.post11.0.post21.0.post31.0.post4
Show 6 moreShow less
1.0.post51.11.21.2.11.2.21.2.3
1.2.4
sleekxmpp
PyPI
 before 1.3.2, plus listed versions
1.01.0beta61.0beta6.11.0rc11.0rc2
Show 21 moreShow less
1.0rc31.1.01.1.11.1.101.1.111.1.21.1.31.1.41.1.51.1.61.1.71.1.81.1.91.2.01.2.11.2.21.2.31.2.41.2.51.3.01.3.1
1.3.2
sleekxmpp
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.0~beta5-21.3.1-11.3.1-31.3.1-4
 None known

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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