CVE-2010-0305

ejabberd_c2s.erl in ejabberd before 2.1.3 allows remote attackers to cause a denial of service (daemon crash) via a large number of c2s (aka client2server) messages that trigger a queue overload.

Published: 2010-02-03 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-0305 is rated Moderate Risk (47.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.88%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-0305

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 3.05% 1.88% -1.17%
2 2025-03-29 1.88% 3.05% +1.17%
3 2025-03-17 1.88%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0305

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2010-0305

OS Trackers for CVE-2010-0305

vendor priority summary link
debian medium CVE-2010-0305 medium priority: Debian including 1 source packages (ejabberd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-0305
gentoo normal CVE-2010-0305: 1 GLSA(s) (201206-10), 1 atom(s) (net-im/ejabberd); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-0305
redhat low https://access.redhat.com/security/cve/CVE-2010-0305
ubuntu medium CVE-2010-0305 medium priority: Ubuntu including 1 source packages (ejabberd), 23 status rows across 23 suites (artful, bionic, dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 19, not-affected 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2010-0305

Affected software / configurations for CVE-2010-0305

Vendor Product Version Raw CPE
process-one ejabberd <= 2.1.2 cpe:2.3:a:process-one:ejabberd:*:*:*:*:*:*:*:*
process-one ejabberd 0.9 cpe:2.3:a:process-one:ejabberd:0.9:*:*:*:*:*:*:*
process-one ejabberd 0.9.1 cpe:2.3:a:process-one:ejabberd:0.9.1:*:*:*:*:*:*:*
process-one ejabberd 0.9.8 cpe:2.3:a:process-one:ejabberd:0.9.8:*:*:*:*:*:*:*
process-one ejabberd 1.0.0 cpe:2.3:a:process-one:ejabberd:1.0.0:*:*:*:*:*:*:*
process-one ejabberd 1.1.0 cpe:2.3:a:process-one:ejabberd:1.1.0:*:*:*:*:*:*:*
process-one ejabberd 1.1.1 cpe:2.3:a:process-one:ejabberd:1.1.1:*:*:*:*:*:*:*
process-one ejabberd 1.1.1.0 cpe:2.3:a:process-one:ejabberd:1.1.1.0:*:*:*:*:*:*:*
process-one ejabberd 1.1.1.1 cpe:2.3:a:process-one:ejabberd:1.1.1.1:*:*:*:*:*:*:*
process-one ejabberd 1.1.2 cpe:2.3:a:process-one:ejabberd:1.1.2:*:*:*:*:*:*:*
process-one ejabberd 1.1.3 cpe:2.3:a:process-one:ejabberd:1.1.3:*:*:*:*:*:*:*
process-one ejabberd 1.1.14 cpe:2.3:a:process-one:ejabberd:1.1.14:*:*:*:*:*:*:*
process-one ejabberd 2.0.0 cpe:2.3:a:process-one:ejabberd:2.0.0:*:*:*:*:*:*:*
process-one ejabberd 2.0.0 cpe:2.3:a:process-one:ejabberd:2.0.0:beta1:*:*:*:*:*:*
process-one ejabberd 2.0.0 cpe:2.3:a:process-one:ejabberd:2.0.0:rc1:*:*:*:*:*:*
process-one ejabberd 2.0.1_2 cpe:2.3:a:process-one:ejabberd:2.0.1_2:*:*:*:*:*:*:*
process-one ejabberd 2.0.2 cpe:2.3:a:process-one:ejabberd:2.0.2:*:*:*:*:*:*:*
process-one ejabberd 2.0.3 cpe:2.3:a:process-one:ejabberd:2.0.3:*:*:*:*:*:*:*
process-one ejabberd 2.0.4 cpe:2.3:a:process-one:ejabberd:2.0.4:*:*:*:*:*:*:*
process-one ejabberd 2.0.5 cpe:2.3:a:process-one:ejabberd:2.0.5:*:*:*:*:*:*:*
process-one ejabberd 2.1.0 cpe:2.3:a:process-one:ejabberd:2.1.0:*:*:*:*:*:*:*
process-one ejabberd 2.1.1 cpe:2.3:a:process-one:ejabberd:2.1.1:*:*:*:*:*:*:*

References for CVE-2010-0305

cvelogic Threat Intelligence