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Fencer Vulns
medium 5.9

CVE-2017-5606 json

An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, inclu…

published 2017-02-09 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14704

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

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 Xabber (only if manually enabled: 1.0.30, 1.0.30 VIP, beta 1.0.3 - 1.0.74; Android).

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • openwall.com http://openwall.com/lists/oss-security/2017/02/09/29 referenced PoC, tagged "exploit" by a source, unverified
  • rt-solutions.de https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/ referenced PoC, tagged "exploit" by a source, unverified
  • rt-solutions.de https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-346 Origin Validation Error

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.