CVE-2021-31878: digium asterisk

csirt@kutim:~/threat-intel/cve/CVE-2021-31878

CVSS 6.5 · Medium EPSS 2,5%

Kerentanan Reachable Assertion pada digium asterisk. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 30 Juli 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-617: Reachable Assertion
EPSS (30 hari): 2,5% peluang dieksploitasi; lebih tinggi dari 84,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
digium	asterisk	Versi 16.17.0
digium	asterisk	Versi 16.18.0
digium	asterisk	Versi 16.19.0
digium	asterisk	Versi 18.3.0
digium	asterisk	Versi 18.4.0
digium	asterisk	Versi 18.5.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

http://downloads.asterisk.org/pub/security/AST-2021-007.html patch · advisory vendor
https://downloads.digium.com/pub/security/AST-2021-007.html patch · advisory vendor
https://issues.asterisk.org/jira/browse/ASTERISK-29381 exploit · issue tracking · advisory vendor
http://packetstormsecurity.com/files/163638/Asterisk-Project-Security-Advisory-AST-2021-007.html patch · advisory pihak ketiga · vdb entry
http://seclists.org/fulldisclosure/2021/Jul/48 mailing list · patch · advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.