CVE-2021-1589
MEDIUMDescription
A vulnerability in the disaster recovery feature of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain unauthorized access to user credentials. This vulnerability exists because access to API endpoints is not properly restricted. An attacker could exploit this vulnerability by sending a request to an API endpoint. A successful exploit could allow the attacker to gain unauthorized access to administrative credentials that could be used in further attacks.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Moderate risk: more likely to be exploited than 59% of all known CVEs.
References
Related Vulnerabilities
Other CWE-256 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-28736 | High | 7.1 | 2.5% | - | - |
| CVE-2019-10921 | High | 7.5 | 2.4% | - | Fix |
| CVE-2017-16714 | Critical | 9.8 | 2.4% | - | Fix |
| CVE-2024-26165 | High | 8.8 | 1.9% | - | Fix |
| CVE-2020-8183 | High | 7.5 | 1.9% | - | Fix |
| CVE-2020-6961 | Critical | 10.0 | 1.6% | - | - |
Common questions
How do I fix CVE-2021-1589?
Upgrade sd-wan to 20.6.1 or later.
Is CVE-2021-1589 being actively exploited?
Not that we know of. CVE-2021-1589 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.97% is the estimated probability that it will be exploited in the next 30 days. That is higher than 59% of all scored CVEs.
How severe is CVE-2021-1589?
CVE-2021-1589 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2021-1589 affect?
Published advisories record a fix for sd-wan (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2021-1589
Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.