Is CVE-2021-1589 in the CISA KEV catalog?

No. CVE-2021-1589 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1589?

CVE-2021-1589 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-1589?

CVE-2021-1589 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1589?

Upgrade sd-wan to 20.6.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-1589

MEDIUM

6.5

CVSS v3

NVD

Description

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.

CWE-256 CWE-522

How to fix

Remediation Available

sd-wanNVD

Affected:>= 20.6, < 20.6.1Fixed in:20.6.1CVE-2021-1589derived from NVD

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

tools.cisco.com

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%	-	-

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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.