CVE-2021-29085: synology diskstation_manager Injection
CVSS: 8.6v3.1HighModified
Published 23-06-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-29085 is a high (CVSS 8.6) Injection vulnerability in synology diskstation_manager. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v3.1 (CVE.org)EPSS score
1.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-06-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in file sharing management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to read arbitrary files via unspecified vectors.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NSources2 sources · 7.5–8.6
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% on 20-09-2026
20-09-202620-10-2026
EPSS score1.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Synology3 products
- diskstation_manager≥ 6.2, < 6.2.3-25426-3
- diskstation manager (dsm)≥ unspecified, < 6.2.3-25426-3
- diskstation_manager_unified_controller< 3.1-23033
1 vendor · 3 products