CVE-2013-4221

The default configuration of the ObjectRepresentation class in Restlet before 2.1.4 deserializes objects from untrusted sources using the Java XMLDecoder, which allows remote attackers to execute arbitrary Java code via crafted XML.

Published: 2013-10-10 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4221 is rated Moderate Risk (60/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.11%). 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-2013-4221

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 2026-01-30 1.45% 2.11% +0.66%
2 2025-04-23 0.98% 1.45% +0.47%
3 2025-03-30 — 0.98% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4221

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-4221

GitHub Security Advisory for CVE-2013-4221

GHSA-92j2-5r7p-6hjw · Severity: high · Ecosystem: maven — Restlet is vulnerable to Arbitrary Java Code Execution via crafted XML

OS Trackers for CVE-2013-4221

vendor priority summary link
ubuntu medium CVE-2013-4221 medium priority: Ubuntu including 1 source packages (restlet), 30 status rows across 30 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lucid, lunar, mantic, noble, oracular, plucky, precise, quantal, questing, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 17, ignored 10, needed 2, needs-triage 1. https://ubuntu.com/security/CVE-2013-4221

Affected software / configurations for CVE-2013-4221

Vendor Product Version Raw CPE
restlet restlet <= 2.1.3 cpe:2.3:a:restlet:restlet:*:*:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone1:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone2:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone3:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone4:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone5:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:milestone6:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc1:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc2:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc3:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc4:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc5:*:*:*:*:*:*
restlet restlet 2.1 cpe:2.3:a:restlet:restlet:2.1:rc6:*:*:*:*:*:*
restlet restlet 2.1.0 cpe:2.3:a:restlet:restlet:2.1.0:*:*:*:*:*:*:*
restlet restlet 2.1.1 cpe:2.3:a:restlet:restlet:2.1.1:*:*:*:*:*:*:*
restlet restlet 2.1.2 cpe:2.3:a:restlet:restlet:2.1.2:*:*:*:*:*:*:*

References for CVE-2013-4221

cvelogic Threat Intelligence