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NVD Vulnerability Details :
CVE-2016-1567
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-26 Jan, 2016 | 19:59
Updated At-06 May, 2026 | 22:30

chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.08.1HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.0
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches
tuxfamily
tuxfamily
>>chrony>>Versions up to 1.31.1(inclusive)
cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*
tuxfamily
tuxfamily
>>chrony>>2.0
cpe:2.3:a:tuxfamily:chrony:2.0:*:*:*:*:*:*:*
tuxfamily
tuxfamily
>>chrony>>2.1
cpe:2.3:a:tuxfamily:chrony:2.1:*:*:*:*:*:*:*
tuxfamily
tuxfamily
>>chrony>>2.1.1
cpe:2.3:a:tuxfamily:chrony:2.1.1:*:*:*:*:*:*:*
tuxfamily
tuxfamily
>>chrony>>2.2
cpe:2.3:a:tuxfamily:chrony:2.2:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-254Primarynvd@nist.gov
CWE ID: CWE-254
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_releasedcve@mitre.org
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.htmlcve@mitre.org
N/A
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.htmlcve@mitre.org
Patch
http://www.talosintel.com/reports/TALOS-2016-0071/cve@mitre.org
Exploit
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_releasedaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.htmlaf854a3a-2127-422b-91ae-364da2661108
Patch
http://www.talosintel.com/reports/TALOS-2016-0071/af854a3a-2127-422b-91ae-364da2661108
Exploit
Hyperlink: http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
Source: cve@mitre.org
Resource:
Patch
Hyperlink: http://www.talosintel.com/reports/TALOS-2016-0071/
Source: cve@mitre.org
Resource:
Exploit
Hyperlink: http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Hyperlink: http://www.talosintel.com/reports/TALOS-2016-0071/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Change History
0Changes found
Details not found