CVE-2013-4409

An eval() vulnerability exists in Python Software Foundation Djblets 0.7.21 and Beanbag Review Board before 1.7.15 when parsing JSON requests.

Published: 2019-11-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4409 is rated High Risk (71.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.04%). EPSS rose +1.87% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2013-4409

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 2026-06-15 1.17% 3.04% +1.87%
2 2025-03-30 2.26% 1.17% -1.09%
3 2025-03-29 — 2.26% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4409

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
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-2013-4409

GitHub Security Advisory for CVE-2013-4409

GHSA-58h8-44mg-r43x · Severity: critical · Ecosystem: pip — ReviewBoard and Djblets library are vulnerable to code execution

OS Trackers for CVE-2013-4409

vendor priority summary link
ubuntu medium CVE-2013-4409 medium priority: Ubuntu including 2 source packages (djblets, python-django-djblets), 14 status rows across 7 suites (lucid, precise, quantal, raring, saucy, trusty, upstream): DNE 8, ignored 4, needs-triage 2. https://ubuntu.com/security/CVE-2013-4409

Affected software / configurations for CVE-2013-4409

Vendor Product Version Raw CPE
reviewboard djblets 0.7.21 cpe:2.3:a:reviewboard:djblets:0.7.21:*:*:*:*:*:*:*
reviewboard review_board < 1.7.15 cpe:2.3:a:reviewboard:review_board:*:*:*:*:*:*:*:*
fedoraproject fedora 18 cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*
fedoraproject fedora 19 cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
redhat enterprise_linux 6.0 cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

References for CVE-2013-4409

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2013-November/120619.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119819.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119820.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119830.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119831.html Mailing List Third Party Advisory
http://www.securityfocus.com/bid/63029 Third Party Advisory VDB Entry
https://access.redhat.com/security/cve/cve-2013-4409 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4409 Issue Tracking Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/88059 Third Party Advisory VDB Entry
https://security-tracker.debian.org/tracker/CVE-2013-4409 Third Party Advisory
cvelogic Threat Intelligence