9.8

CVE-2023-20073: cisco cisco small business rv series router firmware

CVSS: 9.8v3.1CriticalModified
Published 05-04-2023Last modified 28-10-2024
Open JSON

Vulnerability summary

CVE-2023-20073 is a critical (CVSS 9.8) vulnerability in cisco cisco small business rv series router firmware. EPSS estimates a 90.11% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
90.11%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-04-2023
    PublishedVulnerability first disclosed.
  2. 28-10-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the web-based management interface of Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to upload arbitrary files to an affected device. This vulnerability is due to insufficient authorization enforcement mechanisms in the context of file uploads. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to upload arbitrary files to the affected device.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

90.11%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 90.11% on 18-09-2026

18-09-202618-10-2026
EPSS score
90.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco5 products

1 vendor · 5 products

References

1 links