6.5

CVE-2021-28094: open-xchange open-xchange_documents Inadequate Encryption Strength

CVSS: 6.5v3.1MediumModified
Published 27-07-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-28094 is a medium (CVSS 6.5) Inadequate Encryption Strength vulnerability in open-xchange open-xchange_documents. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-07-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

OX Documents before 7.10.5-rev7 has Incorrect Access Control for converted documents because hash collisions can occur, due to use of CRC32.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.11% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.11%

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

Open-xchange1 product
  • open-xchange_documents< 7.10.5 | 7.10.5 | 7.10.5:revision1 | 7.10.5:revision2 | 7.10.5:revision3 | 7.10.5:revision4 | 7.10.5:revision5 | 7.10.5:revision6

1 vendor · 1 product

References

3 links