CVE-2021-43963: couchbase sync gateway

csirt@kutim:~/threat-intel/cve/CVE-2021-43963

CVSS 8.1 · High EPSS 0,52%

Kerentanan Exposure of Sensitive Information to an Unauthorized Actor pada couchbase sync gateway. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in Couchbase Sync Gateway 2.7.0 through 2.8.2. The bucket credentials used to read and write data in Couchbase Server were insecurely being stored in the metadata within sync documents written to the bucket. Users with read access could use these credentials to obtain write access. (This issue does not affect clusters where Sync Gateway is authenticated with X.509 client certificates. This issue also does not affect clusters where shared bucket access is not enabled on Sync Gateway.)

Rincian

Terbit di NVD: 7 Desember 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
EPSS (30 hari): 0,52% peluang dieksploitasi; lebih tinggi dari 42,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
couchbase	sync gateway	Versi 2.7.0 hingga sebelum 2.8.3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://www.couchbase.com/alerts advisory vendor

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.