The Moped::BSON::ObjecId.legal? method in mongodb/bson-ruby before 3.0.4 as used in rubygem-moped allows remote attackers to cause a denial of service (worker resource consumption) via a crafted string. NOTE: This issue is due to an incomplete fix to CVE-2015-4410.
CVE-2015-4411
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 3.5%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 92.8%
- KEV
- Not listed
Published
February 20, 2020
Last Modified
November 21, 2024
References (28)
- cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2015-July/161964.html
- cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2015-July/161987.html
- cve@mitrehttp://www.openwall.com/lists/oss-security/2015/06/06/3
- cve@mitrehttp://www.securityfocus.com/bid/75045
- cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=1229706
- cve@mitrehttps://github.com/mongodb/bson-ruby/commit/976da329ff03ecdfca3030eb6efe3c85e6db9999
- cve@mitrehttps://github.com/mongodb/bson-ruby/commit/fef6f75413511d653c76bf924a932374a183a24f#diff-8c8558c185bbb548ccb5a6d6ac4bfee5R191
- cve@mitrehttps://github.com/mongodb/bson-ruby/compare/7446d7c6764dfda8dc4480ce16d5c023e74be5ca...28f34978a85b689a4480b4d343389bf4886522e7
- cve@mitrehttps://github.com/mongoid/moped/commit/dd5a7c14b5d2e466f7875d079af71ad19774609b#diff-3b93602f64c2fe46d38efd9f73ef5358R24
- cve@mitrehttps://homakov.blogspot.ru/2012/05/saferweb-injects-in-various-ruby.html
- cve@mitrehttps://sakurity.com/blog/2015/06/04/mongo_ruby_regexp.html
- cve@mitrehttps://seclists.org/oss-sec/2015/q2/653
- cve@mitrehttps://security-tracker.debian.org/tracker/CVE-2015-4411
- cve@mitrehttps://www.securityfocus.com/bid/75045
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161964.html
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bson | 0.20 ... 3.0.3 (92 versions) | 3.0.4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:23 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
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- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 07:24 UTCEG score recompute
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-23 15:10 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2015-4411?
When was CVE-2015-4411 disclosed?
Is CVE-2015-4411 actively exploited?
What is the CVSS score of CVE-2015-4411?
How do I remediate CVE-2015-4411?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-4411
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