5.8

CVE-2021-28095: open-xchange open-xchange_documents Inadequate Encryption Strength

CVSS: 5.8v2.0MediumModified
Published 27-07-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-28095 is a medium (CVSS 5.8) Inadequate Encryption Strength vulnerability in open-xchange open-xchange_documents. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 59.1% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
0.90%
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-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, due to use of CRC32.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.90%

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

1 vendor · 1 product

References

3 links