CVE-2021-26911: canarymail canary mail +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2021-26911

CVSS 7.4 · High EPSS 1,1%

Kerentanan Improper Certificate Validation pada canarymail canary mail, libmailcore mailcore2. Skor CVSS 3.1 7.4 (High) menurut NVD.

Deskripsi (NVD)

core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.

Rincian

Terbit di NVD: 17 Februari 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.4 (High), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-295: Improper Certificate Validation
EPSS (30 hari): 1,1% peluang dieksploitasi; lebih tinggi dari 64,5% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
canarymail	canary mail	Versi 3.20
canarymail	canary mail	Versi 3.21
libmailcore	mailcore2	Versi 0.6.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

http://www.openwall.com/lists/oss-security/2021/02/17/3 mailing list · patch · advisory pihak ketiga
https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018 patch · advisory pihak ketiga
https://www.openwall.com/lists/oss-security/2021/02/17/3 mailing list · patch · advisory pihak ketiga
https://apps.apple.com/us/app/canary-mail/id1236045954 product · advisory pihak ketiga
https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/ exploit · advisory pihak ketiga
https://census-labs.com/news/category/advisories/ 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.