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[email protected]NVD:CVE-2021-31878

HistoryJul 30, 2021 - 2:15 p.m.

CVE-2021-31878

2021-07-3014:15:16

CWE-617

[email protected]

web.nvd.nist.gov

pjsip

asterisk

vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

70.1%

JSON

An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request.

Affected configurations

Nvd

Node

digiumasteriskMatch16.17.0

digiumasteriskMatch16.18.0

digiumasteriskMatch16.19.0

digiumasteriskMatch18.3.0

digiumasteriskMatch18.4.0

digiumasteriskMatch18.5.0

VendorProductVersionCPE
digiumasterisk16.17.0cpe:2.3:a:digium:asterisk:16.17.0:*:*:*:*:*:*:*
digiumasterisk16.18.0cpe:2.3:a:digium:asterisk:16.18.0:*:*:*:*:*:*:*
digiumasterisk16.19.0cpe:2.3:a:digium:asterisk:16.19.0:*:*:*:*:*:*:*
digiumasterisk18.3.0cpe:2.3:a:digium:asterisk:18.3.0:*:*:*:*:*:*:*
digiumasterisk18.4.0cpe:2.3:a:digium:asterisk:18.4.0:*:*:*:*:*:*:*
digiumasterisk18.5.0cpe:2.3:a:digium:asterisk:18.5.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
digium	asterisk	16.17.0	cpe:2.3:a:digium:asterisk:16.17.0:::::::*
digium	asterisk	16.18.0	cpe:2.3:a:digium:asterisk:16.18.0:::::::*
digium	asterisk	16.19.0	cpe:2.3:a:digium:asterisk:16.19.0:::::::*
digium	asterisk	18.3.0	cpe:2.3:a:digium:asterisk:18.3.0:::::::*
digium	asterisk	18.4.0	cpe:2.3:a:digium:asterisk:18.4.0:::::::*
digium	asterisk	18.5.0	cpe:2.3:a:digium:asterisk:18.5.0:::::::*