CVE-2020-28020

Katalog CVE

CVSS 9.8 · Critical EPSS 7,9%

Kerentanan Integer Overflow or Wraparound pada exim. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.

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-190: Integer Overflow or Wraparound

EPSS (30 hari)

7,9% peluang dieksploitasi; lebih tinggi dari 94,6% 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-2020-28020-HSIZE.txt patch · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/07/25/1 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2021/08/03/1 mailing list · advisory pihak ketiga