8.8

CVE-2021-1305: cisco cisco sd-wan vmanage Improper Input Validation

CVSS: 8.8v3.1HighModified
Published 20-01-2021Last modified 12-11-2024

Vulnerability summary

CVE-2021-1305 is a high (CVSS 8.8) Improper Input Validation vulnerability in cisco cisco sd-wan vmanage. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.31%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-01-2021
    PublishedVulnerability first disclosed.
  2. 12-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.02 pp

From 1.30% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.31%

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

1 vendor · 4 products

References

1 links