CVE-2021-27562

Katalog CVE

CVSS 5.5 · Medium KEV · sudah dieksploitasi EPSS 3,1%

Kerentanan Out-of-bounds Write pada trustedfirmware trusted firmware-m. Skor CVSS 3.1 5.5 (Medium) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.

Rincian

Terbit di NVD

25 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

3,1% peluang dieksploitasi; lebih tinggi dari 87,4% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Arm Trusted Firmware Out-of-Bounds Write Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

17 November 2021 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://developer.arm.com/support/arm-security-updates advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27562 pemerintah AS
• https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_... permissions required · advisory pihak ketiga