CVE-2021-26937

Katalog CVE

CVSS 9.8 · Critical EPSS 9,1%

Kerentanan Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') pada gnu screen, debian linux +1 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.

Rincian

Terbit di NVD

9 Februari 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-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

EPSS (30 hari)

9,1% peluang dieksploitasi; lebih tinggi dari 95,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html exploit · mailing list · advisory vendor
• http://www.openwall.com/lists/oss-security/2021/02/09/8 exploit · mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/02/msg00031.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202105-11 advisory pihak ketiga
• https://www.debian.org/security/2021/dsa-4861 advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2021/02/09/3 exploit · mailing list · advisory pihak ketiga
• https://ftp.gnu.org/gnu/screen/ product
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNWBOIDEPOEQS...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJWLXP45POUUY...
• https://security.netapp.com/advisory/ntap-20250509-0004/