Is CVE-2021-1305 in the CISA KEV catalog?

No. CVE-2021-1305 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1305?

CVE-2021-1305 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-1305?

CVE-2021-1305 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1305?

Upgrade sd-wan firmware to 20.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-1305

HIGH

8.8

CVSS v3

NVD

Description

Multiple vulnerabilities in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization and modify the configuration of an affected system, gain access to sensitive information, and view information that they are not authorized to access. For more information about these vulnerabilities, see the Details section of this advisory.

CWE-20Improper Input Validation CWE-863Incorrect Authorization

How to fix

Remediation Available

sd-wan firmwareNVD

Affected:< 20.3.2Fixed in:20.3.2CVE-2021-1305derived from NVD

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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.