CVE-2021-28041

Published: Mar 5, 2021Modified: Jun 17, 2026

7.1

Vector

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

Exploitability: 1.2 / Impact: 5.9

Source: NVD

Description

ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.

Affected (10)

Products: Openbsd: Openssh · Fedoraproject: Fedora · Netapp: Cloud Backup, Hci Management Node, Solidfire, Hci Compute Node Firmware, Hci Storage Node Firmware · +1 more

Show all products

Openbsd: Openssh · Fedoraproject: Fedora · Netapp: Cloud Backup, Hci Management Node, Solidfire, Hci Compute Node Firmware, Hci Storage Node Firmware · Oracle: Communications Offline Mediation Controller, Zfs Storage Appliance

1 product

1 product

5 products

Hci Compute Node Firmware

Hci Storage Node Firmware

Oracle

2 products

Communications Offline Mediation Controller

Zfs Storage Appliance

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openbsd Openssh	From 8.2 to 8.5

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 33
Fedoraproject Fedora	Version 34

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Netapp Cloud Backup	All versions
Netapp Hci Management Node	All versions
Netapp Solidfire	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netapp Hci Compute Node Firmware	All versions

Running on/with	Platform Versions
Netapp Hci Compute Node	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netapp Hci Storage Node Firmware	All versions

Running on/with	Platform Versions
Netapp Hci Storage Node	All versions

Configuration F

2 vulnerable

Vulnerable Software	Affected Versions
Oracle Communications Offline Mediation Controller	Version 12.0.0.3.0
Oracle Zfs Storage Appliance	Version 8.8

Related CWEs

CWE-415

Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References (18)

https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db

Source: cve@mitre.org

PatchThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/

Source: cve@mitre.org

https://security.gentoo.org/glsa/202105-35

Source: cve@mitre.org

Third Party Advisory

https://security.netapp.com/advisory/ntap-20210416-0002/

Source: cve@mitre.org

Third Party Advisory

https://www.openssh.com/security.html

Source: cve@mitre.org

Not ApplicableVendor Advisory

https://www.openssh.com/txt/release-8.5

Source: cve@mitre.org

Release NotesVendor Advisory

https://www.openwall.com/lists/oss-security/2021/03/03/1

Source: cve@mitre.org

Mailing ListPatchThird Party Advisory

https://www.oracle.com//security-alerts/cpujul2021.html

Source: cve@mitre.org

Third Party Advisory

https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db