Double Free in NetApp Cloud Backup
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.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.035 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.035 · change: +0.001
Affected products
- NetApp Cloud Backup
- NetApp Hci Compute Node
- NetApp Hci Compute Node Firmware
- NetApp Hci Management Node
- NetApp Hci Storage Node
- NetApp Hci Storage Node Firmware
- NetApp Solidfire
- OpenBSD OpenSSH
- Oracle Communications Offline Mediation Controller — versions 12.0.0.3.0
- Oracle Zfs Storage Appliance — versions 8.8
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- MaulikxLakhani/SSHScout
- OhDamnn/Noregressh
- Totes5706/TotesHTB
- accalina/crowflag
- alvarigno/ChocolateFire-DockerLab
- alvarigno22/ChocolateFire-DockerLab
- austin-lai/External-Penetration-Testing-Holo-Corporate-Network-TryHackMe-Holo-Network
- krlabs/openssh-vulnerabilities
- nmuhammad22/UPennFinalProject
References
- www.openssh.com/security.html (Not Applicable, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/03/03/1 (Patch, Mailing List, Third Party Advisory)
- github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d965… (Patch, Third Party Advisory)
- www.openssh.com/txt/release-8.5 (Release Notes, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202105-35 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.oracle.com//security-alerts/cpujul2021.html (Third Party Advisory)
- security.netapp.com/advisory/ntap-20210416-0002/ (Third Party Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2021-28041?
- CVE-2021-28041 is a high-severity vulnerability in NetApp Cloud Backup, classified under Double Free. CVSS score: 7.1/10. Published 2021-03-05.
- How severe is CVE-2021-28041?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-28041 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.