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CVE-2012-3525

21
FAUCET Score

CVE-2012-3525 describes a vulnerability in jabberd2 versions 2.2.16 and earlier, where the s2s/out.c component fails to properly verify XMPP Server Dialback responses. This flaw allows remote XMPP servers to spoof domains through crafted Verify or Authorization Responses. The vulnerability has a CVSS score of 5.8, indicating a medium severity, and can be exploited remotely with medium complexity, potentially leading to partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, though it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.1.19CPE matchmatch criteria
cpe:2.3:a:jabber2:jabberd2:2.1.19:*:*:*:*:*:*:*
<= 2.2.16CPE matchmatch criteria
cpe:2.3:a:jabberd2:jabberd2:*:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:jabberd2:jabberd2:2.1:*:*:*:*:*:*:*
2.1.1CPE matchmatch criteria
cpe:2.3:a:jabberd2:jabberd2:2.1.1:*:*:*:*:*:*:*
2.1.2CPE matchmatch criteria
cpe:2.3:a:jabberd2:jabberd2:2.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 53rd percentile among its peer group of 19,953 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

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
redhatpatch availablevia redhat_api
Product: Red Hat Network Proxy v 5.5Fixed in: jabberd-0:2.2.8-20.el5sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Network Satellite Server v 5.5Fixed in: jabberd-0:2.2.8-20.el5sat
View patch

Vendor Advisories (1)

redhatCVE-2012-3525Low

jabberd: Prone to unsolicited XMPP Dialback attacks

Aug 21, 2012

References

lists.apple.com / archives/security-announce/2013/Mar/msg00002.html
rhn.redhat.com / errata/RHSA-2012-1538.html
rhn.redhat.com / errata/RHSA-2012-1539.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/50124
Vendor Advisory
secunia.com / advisories/50859
github.com / Jabberd2/jabberd2/commit/aabcffae560d5fd00cd1d2ffce5d760353cf0a4d
ExploitPatch
mail-archive.com / jabberd2%40lists.xiaoka.com/msg01903.html
openwall.com / lists/oss-security/2012/08/22/5
openwall.com / lists/oss-security/2012/08/22/6
securityfocus.com / bid/55167
xmpp.org / resources/security-notices/server-dialback
Vendor Advisory