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PRIOn knowledge basePRION:CVE-2019-3977

HistoryOct 29, 2019 - 7:15 p.m.

Design/Logic Flaw

2019-10-2919:15:00

PRIOn knowledge base

www.prio-n.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.0%

JSON

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into “upgrading” to an older version of RouterOS and possibly reseting all the system’s usernames and passwords.

CPENameOperatorVersion
routerosle6.44.5
routerosle6.45.6

CPE	Name	Operator	Version
	routeros	le	6.44.5
	routeros	le	6.45.6

References

www.tenable.com/security/research/tra-2019-46

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.0%

JSON

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