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CVE-2015-4411

BSON rubygem contains potential denial of service

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

6.37%Up 2.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2015-4411
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2015-4411
Updated
2026-11-02
EUVDEUVD-2020-0391 No score

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.

Record
EUVD-2020-0391
Updated
2026-11-03
GitHub AdvisoriesGHSA-qh4w-7pw3-p4rp 7.5

BSON rubygem contains potential denial of service

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.

Record
GHSA-qh4w-7pw3-p4rp
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02
OSVGHSA-qh4w-7pw3-p4rp 7.5

BSON rubygem contains potential denial of service

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.

Record
GHSA-qh4w-7pw3-p4rp
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bson
RubyGems
 before 3.0.4
3.0.4
bson
RubyGems
 before 3.0.4, plus listed versions
0.200.20.11.01.0.11.0.2
Show 45 moreShow less
1.0.31.0.41.0.51.0.61.0.71.0.91.11.1.11.1.21.1.31.1.41.1.51.10.01.10.0.rc01.10.0.rc11.10.11.10.21.11.11.12.01.12.0.rc01.12.0.rc11.12.0.rc21.12.11.12.21.12.31.12.41.12.51.2.01.2.11.2.21.2.31.2.41.2.rc01.2.rc11.2.rc21.3.01.3.0.rc01.3.11.4.01.4.11.5.01.5.0.rc01.5.11.5.21.6.0
3.0.4

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-4411 is a high vulnerability (CVSS 7.5) in Mongodb Bson, published February 20, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.37%, the 93rd percentile. Fixed in bson 3.0.4.

References

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Left out here: 42 versions. The JSON record has them.

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