csirt@kutim:~/threat-intel/cve/CVE-2021-42694

Katalog CVE

CVSS 8.3 · High EPSS 4,9%

Kerentanan Improper Control of Generation of Code ('Code Injection') pada unicode. Skor CVSS 3.1 8.3 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in the character definitions of the Unicode Specification through 14.0. The specification allows an adversary to produce source code identifiers such as function names using homoglyphs that render visually identical to a target identifier. Adversaries can leverage this to inject code via adversarial identifier definitions in upstream software dependencies invoked deceptively in downstream software. NOTE: the Unicode Consortium offers the following alternative approach to presenting this concern. An issue is noted in the nature of international text that can affect applications that implement support for The Unicode Standard (all versions). Unless mitigated, an adversary could produce source code identifiers using homoglyph characters that render visually identical to but are distinct from a target identifier. In this way, an adversary could inject adversarial identifier definitions in upstream software that are not detected by human reviewers and are invoked deceptively in downstream software. The Unicode Consortium has documented this class of security vulnerability in its document, Unicode Technical Report #36, Unicode Security Considerations. The Unicode Consortium also provides guidance on mitigations for this class of issues in Unicode Technical Standard #39, Unicode Security Mechanisms.

Rincian

Terbit di NVD
1 November 2021
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
8.3 (High), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-94: Improper Control of Generation of Code ('Code Injection')
EPSS (30 hari)
4,9% peluang dieksploitasi; lebih tinggi dari 91,9% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
unicode unicode Semua versi sebelum 14.0.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.