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cve[email protected]CVE-2020-35776
HistoryFeb 18, 2021 - 8:15 p.m.

CVE-2020-35776

2021-02-1820:15:12
CWE-120
[email protected]
web.nvd.nist.gov
81
2
cve-2020-35776
buffer overflow
sangoma asterisk
remote attack

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

82.1%

JSON

A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.

Affected configurations

NVD
Node
digiumasteriskRange13.0.0–13.38.1
OR
digiumasteriskRange16.0.0–16.15.1
OR
digiumasteriskRange17.0.0–17.9.1
OR
digiumasteriskRange18.0–18.1.1

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

82.1%

JSON
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