CVE-2020-26137

Katalog CVE

CVSS 6.5 · Medium EPSS 2,3%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada python urllib3, canonical ubuntu linux +3 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.

Rincian

Terbit di NVD

30 September 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

EPSS (30 hari)

2,3% peluang dieksploitasi; lebih tinggi dari 82,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugs.python.org/issue39603 issue tracking · advisory vendor
• https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b patch · advisory pihak ketiga
• https://github.com/urllib3/urllib3/pull/1800 patch · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpujul2022.html patch · advisory pihak ketiga
• https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html mailing list · advisory pihak ketiga
• https://usn.ubuntu.com/4570-1/ advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html