CVE Vulnerabilities

CVE-2016-2181

Published: Sep 16, 2016 | Modified: Apr 12, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
4.3 MODERATE
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V3
5.9 MODERATE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
LOW
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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.

Affected Software

NameVendorStart VersionEnd Version
OpensslOpenssl1.0.1 (including)1.0.1 (including)
OpensslOpenssl1.0.1a (including)1.0.1a (including)
OpensslOpenssl1.0.1b (including)1.0.1b (including)
OpensslOpenssl1.0.1c (including)1.0.1c (including)
OpensslOpenssl1.0.1d (including)1.0.1d (including)
OpensslOpenssl1.0.1e (including)1.0.1e (including)
OpensslOpenssl1.0.1f (including)1.0.1f (including)
OpensslOpenssl1.0.1g (including)1.0.1g (including)
OpensslOpenssl1.0.1h (including)1.0.1h (including)
OpensslOpenssl1.0.1i (including)1.0.1i (including)
OpensslOpenssl1.0.1j (including)1.0.1j (including)
OpensslOpenssl1.0.1k (including)1.0.1k (including)
OpensslOpenssl1.0.1l (including)1.0.1l (including)
OpensslOpenssl1.0.1m (including)1.0.1m (including)
OpensslOpenssl1.0.1n (including)1.0.1n (including)
OpensslOpenssl1.0.1o (including)1.0.1o (including)
OpensslOpenssl1.0.1p (including)1.0.1p (including)
OpensslOpenssl1.0.1q (including)1.0.1q (including)
OpensslOpenssl1.0.1r (including)1.0.1r (including)
OpensslOpenssl1.0.1s (including)1.0.1s (including)
OpensslOpenssl1.0.1t (including)1.0.1t (including)
OpensslOpenssl1.0.2 (including)1.0.2 (including)
OpensslOpenssl1.0.2a (including)1.0.2a (including)
OpensslOpenssl1.0.2b (including)1.0.2b (including)
OpensslOpenssl1.0.2c (including)1.0.2c (including)
OpensslOpenssl1.0.2d (including)1.0.2d (including)
OpensslOpenssl1.0.2e (including)1.0.2e (including)
OpensslOpenssl1.0.2f (including)1.0.2f (including)
OpensslOpenssl1.0.2g (including)1.0.2g (including)
OpensslOpenssl1.0.2h (including)1.0.2h (including)
Red Hat Enterprise Linux 6RedHatopenssl-0:1.0.1e-48.el6_8.3*
Red Hat Enterprise Linux 7RedHatopenssl-1:1.0.1e-51.el7_2.7*
OpensslUbuntuartful*
OpensslUbuntubionic*
OpensslUbuntucosmic*
OpensslUbuntudevel*
OpensslUbuntudisco*
OpensslUbuntuesm-infra-legacy/trusty*
OpensslUbuntuesm-infra/bionic*
OpensslUbuntuesm-infra/xenial*
OpensslUbuntuprecise*
OpensslUbuntutrusty*
OpensslUbuntutrusty/esm*
OpensslUbuntuupstream*
OpensslUbuntuvivid/stable-phone-overlay*
OpensslUbuntuvivid/ubuntu-core*
OpensslUbuntuxenial*
OpensslUbuntuyakkety*
OpensslUbuntuzesty*
Openssl098Ubuntuprecise*
Openssl098Ubuntutrusty*

References