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CVE-2021-25912

Prototype pollution in dotty

9.8 CriticalFix available

CVE-2021-25912 is a critical vulnerability (CVSS 9.8) in Dotty Project Dotty, published February 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.48%, the 89th percentile. Fixed in dotty 0.1.1.

What does this mean?
Severity
9.8 CriticalCVSS 3.1, NVD
Exploit chance
3.48%EPSS, 89th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.1.1dotty

Description

Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.

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
High
Integrity
High
Availability
High

Exploit likelihood

3.48%Up 1.8 points since Apr 14, 2021
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dotty
npm
before 0.1.1
0.1.1

What each source reports

NVD Score used9.8

Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.

Record
CVE-2021-25912
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-1321
Updated
2026-11-02
CVE ListNo score

Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.

Record
CVE-2021-25912
Updated
2026-11-02
EUVDEUVD-2021-0548No score

Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.

Record
EUVD-2021-0548
Updated
2026-11-03
GitHub AdvisoriesGHSA-f5c9-x9j6-87qp9.8

Prototype pollution in dotty

Prototype pollution vulnerability in 'dotty' before version 0.1.1 allows attackers to cause a denial of service and may lead to remote code execution.

Record
GHSA-f5c9-x9j6-87qp
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-400
Updated
2026-11-02
OSV9.8

Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.

Record
CVE-2021-25912
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-f5c9-x9j6-87qp9.8

Prototype pollution in dotty

Prototype pollution vulnerability in 'dotty' before version 0.1.1 allows attackers to cause a denial of service and may lead to remote code execution.

Record
GHSA-f5c9-x9j6-87qp
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-400
Updated
2026-11-02

History

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

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

References

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