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Fencer Vulns
medium 5.0

CVE-2006-0138 json

aMSN (aka Alvaro's Messenger) allows remote attackers to cause a denial of service (client hang and termination of client's instant-messagi…

published 2006-01-09 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0146

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.4%
EPSS 6.4% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

aMSN (aka Alvaro's Messenger) allows remote attackers to cause a denial of service (client hang and termination of client's instant-messaging session) by repeatedly sending crafted data to the default file-transfer port (TCP 6891).

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-0138 updated cvss 2.6

amsn: DoS (client hang, termination of client's IM session) via repeatedly sending crafted data to default file-transfer port

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-37692)
  2. Published

Exploit prediction

6.43% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-37692 aMSN - Remote Denial of Service dos, 2006-01-01
  • securiteam.com http://www.securiteam.com/exploits/5JP090KHFQ.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

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.