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CVE-2015-4411

24
FAUCET Score

CVE-2015-4411 is a denial-of-service vulnerability affecting the Moped::BSON::ObjectId.legal? method in mongodb/bson-ruby versions prior to 3.0.4, as well as related fedoraproject products. An unauthenticated remote attacker can exploit this flaw by submitting a crafted string, leading to worker resource consumption and service disruption. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.4CPE matchmatch criteria
cpe:2.3:a:mongodb:bson:*:*:*:*:*:ruby:*:*
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.37%
Probability of exploitation in next 30 days
EPSS Percentile
92.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0637 is in the 88th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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
rubygemspatch availablevia ghsa
Product: bsonFixed in: 3.0.4
redhatno patchvia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: ruby193-rubygem-moped

Vendor Advisories (2)

rubygemsGHSA-qh4w-7pw3-p4rphigh

BSON rubygem contains potential denial of service

Apr 29, 2020
redhatCVE-2015-4411Low

rubygem-moped: Denial of Service with crafted ObjectId string (incomplete fix for CVE-2015-4410)

Jun 4, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-July/161964.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-July/161987.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / mongodb/bson-ruby/commit/976da329ff03ecdfca3030eb6efe3c85e6db9999
Patch
github.com / mongodb/bson-ruby/commit/fef6f75413511d653c76bf924a932374a183a24f
Patch
github.com / mongodb/bson-ruby/compare/7446d7c6764dfda8dc4480ce16d5c023e74be5ca...28f34978a85b689a4480b4d343389bf4886522e7
Patch
github.com / mongoid/moped/commit/dd5a7c14b5d2e466f7875d079af71ad19774609b
Patch
homakov.blogspot.ru / 2012/05/saferweb-injects-in-various-ruby.html
ExploitThird Party Advisory
sakurity.com / blog/2015/06/04/mongo_ruby_regexp.html
ExploitThird Party Advisory
seclists.org / oss-sec/2015/q2/653
Mailing ListThird Party Advisory
security-tracker.debian.org / tracker/CVE-2015-4411
Third Party Advisory
securityfocus.com / bid/75045
Third Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2015/06/06/3
Mailing ListThird Party Advisory
securityfocus.com / bid/75045
Third Party AdvisoryVDB Entry