VulnerabilityModified
CVE-2021-28041
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.
HIGH 7.1EPSS 3.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.42% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- openbsd/openssh · fedoraproject/fedora · netapp/cloud backup · netapp/hci management node · netapp/solidfire · netapp/hci compute node firmware · netapp/hci storage node firmware · oracle/communications offline mediation controller · oracle/zfs storage appliance
- Source
- cve@mitre.org
References
- https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568dbPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
- https://security.gentoo.org/glsa/202105-35Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210416-0002/Third Party Advisory
- https://www.openssh.com/security.htmlNot Applicable, Vendor Advisory
- https://www.openssh.com/txt/release-8.5Release Notes, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Patch, Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568dbPatch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/
- https://security.gentoo.org/glsa/202105-35Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210416-0002/Third Party Advisory
- https://www.openssh.com/security.htmlNot Applicable, Vendor Advisory
- https://www.openssh.com/txt/release-8.5Release Notes, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Patch, Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.