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cve[email protected]CVE-2015-2923
HistoryFeb 20, 2020 - 4:15 a.m.

CVE-2015-2923

2020-02-2004:15:10
CWE-20
web.nvd.nist.gov
81
cve-2015-2923
neighbor discovery
nd protocol
ipv6 stack
freebsd
hop-limit
router advertisement
nvd

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.2 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.6%

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD through 10.1 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

Affected configurations

NVD
Node
freebsdfreebsdRange<10.1
CPENameOperatorVersion
freebsd:freebsdfreebsdlt10.1

3.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.2 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.6%