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Fencer Intel
medium 5.8

CVE-2012-3525 json

s2s/out.c in jabberd2 2.2.16 and earlier does not verify that a request was made for an XMPP Server Dialback response, which allows remote…

published 2012-08-25 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3480

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

s2s/out.c in jabberd2 2.2.16 and earlier does not verify that a request was made for an XMPP Server Dialback response, which allows remote XMPP servers to spoof domains via a (1) Verify Response or (2) Authorization Response.

Patch / fix

  • jabberd2 Debian 14, Debian 13, Debian 12 2.2.17-1

debian advisories DEBIAN-CVE-2012-3525

  • jabberd network satellite 5.5, network proxy 5.5 2.2.8-20.el5sat
  • jabberd network satellite 5.5, network proxy 5.5 2.2.8-20.el6sat

red hat advisories RHSA-2012:1539RHSA-2012:1538

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-2012-3525 updated cvss 2.6

jabberd: Prone to unsolicited XMPP Dialback attacks

  • Red Hat Satellite 5.5 (RHEL v.5) jabberd 2.2.8-20.el5sat Red Hat Satellite 5.5 (RHEL v.6) jabberd 2.2.8-20.el6sat
    fixed: vendor fix RHSA-2012:1538
  • Red Hat Satellite Proxy 5.5 (RHEL v.5) jabberd 2.2.8-20.el5sat Red Hat Satellite Proxy 5.5 (RHEL v.6) jabberd 2.2.8-20.el6sat
    fixed: vendor fix RHSA-2012:1539

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

Exploit prediction

1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Jabberd2/jabberd2/commit/aabcffae560d5fd00cd1d2ffce5d760353cf0a4d referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.