7.8

CVE-2021-21085: adobe connect Improper Input Validation

CVSS: 7.8v3.1HighModified
Published 12-03-2021Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2021-21085 is a high (CVSS 7.8) Improper Input Validation vulnerability in adobe connect. EPSS estimates a 3.87% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
3.87%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-03-2021
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

Adobe Connect version 11.0.7 (and earlier) is affected by an Input Validation vulnerability in the export feature. An attacker could exploit this vulnerability by injecting a payload into an online event form and achieve code execution if the victim exports and opens the data on their local machine.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.87%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

+0.13 pp

From 3.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.87%

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

Adobe1 product
  • connect≥ unspecified, ≤ 11.0.7 | ≥ unspecified, ≤ None | ≤ 11.0.7

1 vendor · 1 product

References

1 links