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Vulnerability record · CVE-2020-15778 · published 24 July 2020

CVE-2020-15778: Openbsd openssh os command injection vulnerability

Openbsd · Openssh

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows."

7.4 CVSS 3.1 High EPSS 13% · top 3.8% CWE-78 · OS command injection
7.4CVSS 3.1 base score, v2 6.8
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

scp in OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows."

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2024:3166 Third Party Advisory
https://github.com/cpandya2909/CVE-2020-15778/ ExploitThird Party Advisory
https://news.ycombinator.com/item?id=25005567 Third Party Advisory
https://security.gentoo.org/glsa/202212-06 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200731-0007/ Third Party Advisory
https://www.openssh.com/security.html Vendor Advisory
https://access.redhat.com/errata/RHSA-2024:3166 Third Party Advisory
https://github.com/cpandya2909/CVE-2020-15778/ ExploitThird Party Advisory
https://news.ycombinator.com/item?id=25005567 Third Party Advisory
https://security.gentoo.org/glsa/202212-06 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200731-0007/ Third Party Advisory
https://www.openssh.com/security.html Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-15778), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.