CVE-2015-6925

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Summary

CVECVE-2015-6925
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-01-22 15:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionwolfSSL (formerly CyaSSL) before 3.6.8 allows remote attackers to cause a denial of service (resource consumption or traffic amplification) via a crafted DTLS cookie in a ClientHello message.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-399 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Wolfssl Wolfssl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Docs-wolfssl-changelog af854a3a-2127-422b-91ae-364da2661108 wolfssl.com
GitHub - IAIK/wolfSSL-DoS: Proof of concept for denial of service attack on wolfSSL's DTLS server implementation. af854a3a-2127-422b-91ae-364da2661108 github.com Exploit
Two Vulnerabilities Recently Found, An Attack on RSA using CRT and DoS Vulnerability With DTLS af854a3a-2127-422b-91ae-364da2661108 wolfssl.com Exploit, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 690337 Free Berkeley Software Distribution (FreeBSD) Security Update for Wolf Secure Sockets Layer (wolfssl) (3d1372e1-7822-4fd8-b56e-5ee832afbd96)

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