Is CVE-2020-3323 in the CISA KEV catalog?

No. CVE-2020-3323 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3323?

CVE-2020-3323 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-3323?

CVE-2020-3323 has an EPSS score of 5.75% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3323?

Upgrade rv110w wireless-n vpn firewall firmware to 1.2.2.8 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3323

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device.

CWE-119Buffer Overflow CWE-20Improper Input Validation

How to fix

Remediation Available

rv110w wireless-n vpn firewall firmwareNVD

Affected:< 1.2.2.8Fixed in:1.2.2.8CVE-2020-3323derived from NVD

rv130 vpn router firmwareNVD

Affected:< 1.0.3.54Fixed in:1.0.3.54CVE-2020-3323derived from NVD

rv130w wireless-n multifunction vpn router firmwareNVD

Affected:< 1.0.3.54Fixed in:1.0.3.54CVE-2020-3323derived from NVD

rv215w wireless-n vpn router firmwareNVD

Affected:< 1.3.1.7Fixed in:1.3.1.7CVE-2020-3323derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.75%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.