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CVE-2016-2181 Detail

Description

The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
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CVE, Inc., Red Hat
CVE, Inc., Red Hat
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CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat Third Party Advisory  VDB Entry 
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat
CVE, Inc., Red Hat Third Party Advisory 
CVE, Inc., Red Hat
CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

27 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2181
NVD Published Date:
09/16/2016
NVD Last Modified:
05/06/2026
Source:
Red Hat, Inc.