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Vulnerability record · CVE-2021-40348 · published 1 November 2021

CVE-2021-40348: Uyuni-project uyuni code injection vulnerability

Uyuni Project · Uyuni

Spacewalk 2.10, and derivatives such as Uyuni 2021.08, allows code injection. rhn-config-satellite.pl doesn't sanitize the configuration filename used to append Spacewalk-specific key-value pair. The script is intended to be run by the tomcat user account with Sudo, according to the installation setup. This can lead to the ability of an attacker to use --option to append arbitrary code to a root-owned file that eventually will be executed by the system. This is fixed in Uyuni spacewalk-admin 4.3.2-1.

8.8 CVSS 3.1 High EPSS 1.8% · top 22.4% CWE-94 · Code injection
8.8CVSS 3.1 base score, v2 9.3
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Spacewalk 2.10, and derivatives such as Uyuni 2021.08, allows code injection. rhn-config-satellite.pl doesn't sanitize the configuration filename used to append Spacewalk-specific key-value pair. The script is intended to be run by the tomcat user account with Sudo, according to the installation setup. This can lead to the ability of an attacker to use --option to append arbitrary code to a root-owned file that eventually will be executed by the system. This is fixed in Uyuni spacewalk-admin 4.3.2-1.

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

Affected products

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

References

LinkTags
http://www.openwall.com/lists/oss-security/2021/10/28/4 ExploitMailing ListPatchThird Party Advisory
https://github.com/uyuni-project/uyuni/commit/790c7388efac6923c5475e01c1ff718dffa9f052 PatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/28/4 ExploitMailing ListPatchThird Party Advisory
https://github.com/uyuni-project/uyuni/commit/790c7388efac6923c5475e01c1ff718dffa9f052 PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-40348), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.