CVE-2021-35211

Katalog CVE

CVSS 10.0 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 91,2%

Kerentanan Out-of-bounds Write pada solarwinds serv-u. Skor CVSS 3.1 10.0 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.

Rincian

Terbit di NVD

14 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

10.0 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

91,2% peluang dieksploitasi; lebih tinggi dari 99,8% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

SolarWinds Serv-U Remote Code Execution Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

17 November 2021 (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://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-... patch · advisory vendor
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 patch · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35211 pemerintah AS