CVE-2021-28041 is a double free vulnerability in the ssh-agent component of OpenSSH versions prior to 8.5, impacting products like Fedora, NetApp, OpenBSD, and Oracle. With a CVSS score of 7.1 (High), exploitation requires high attack complexity and user interaction, but could lead to high impact on confidentiality, integrity, and availability in specific scenarios like unconstrained agent-socket access or agent forwarding to a malicious host. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 8.2, < 8.5CPE matchmatch criteria | cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Mar 9, 2021openssh: double-free memory corruption may lead to arbitrary code execution
Mar 3, 2021