CVE-2021-26085

Katalog CVE

CVSS 5.3 · Medium KEV · sudah dieksploitasi Dipakai ransomware EPSS 99,9%

Kerentanan Direct Request ('Forced Browsing') pada atlassian confluence data center, atlassian confluence server. Skor CVSS 3.1 5.3 (Medium) menurut NVD. Masuk katalog KEV CISA pada 28 Maret 2022, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.

Rincian

Terbit di NVD

3 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-425: Direct Request ('Forced Browsing')

EPSS (30 hari)

99,9% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability

Masuk KEV

28 Maret 2022

Tenggat CISA

18 April 2022 (untuk instansi federal AS)

Ransomware

Tercatat dipakai dalam kampanye ransomware

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://jira.atlassian.com/browse/CONFSERVER-67893 issue tracking · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26085 pemerintah AS
• http://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html exploit · advisory pihak ketiga · vdb entry