CVE-2011-2206

XMLParser.pm in DJabberd before 0.85 allows remote authenticated users to read arbitrary files, and possibly send HTTP requests to intranet servers or cause a denial of service (CPU and memory consumption), via an XML external entity declaration in conjunction with an entity reference, a different vulnerability than CVE-2011-1757.

Published: 2011-06-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-2206 is rated Moderate Risk (46.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.73%). 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-2011-2206

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 0.79% 0.73% -0.07%
2 2025-03-29 0.73% 0.79% +0.07%
3 2025-03-17 — 0.73% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2206

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 4.9 [email protected]

Weakness enumeration for CVE-2011-2206

Affected software / configurations for CVE-2011-2206

Vendor Product Version Raw CPE
brad_fitzpatrick djabberd <= 0.84 cpe:2.3:a:brad_fitzpatrick:djabberd:*:*:*:*:*:*:*:*
brad_fitzpatrick djabberd 0.80 cpe:2.3:a:brad_fitzpatrick:djabberd:0.80:*:*:*:*:*:*:*
brad_fitzpatrick djabberd 0.81 cpe:2.3:a:brad_fitzpatrick:djabberd:0.81:*:*:*:*:*:*:*
brad_fitzpatrick djabberd 0.82 cpe:2.3:a:brad_fitzpatrick:djabberd:0.82:*:*:*:*:*:*:*
brad_fitzpatrick djabberd 0.83 cpe:2.3:a:brad_fitzpatrick:djabberd:0.83:*:*:*:*:*:*:*

References for CVE-2011-2206

cvelogic Threat Intelligence