CVE-2020-28024

Katalog CVE

CVSS 9.8 · Critical EPSS 4,2%

Kerentanan Out-of-bounds Write pada exim. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.

Rincian

Terbit di NVD

6 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

4,2% peluang dieksploitasi; lebih tinggi dari 90,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt advisory pihak ketiga