9.8

CVE-2019-11829: synology calendar OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 30-06-2019Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2019-11829 is a critical (CVSS 9.8) OS Command Injection vulnerability in synology calendar. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.25%
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. 30-06-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

OS command injection vulnerability in drivers_syno_import_user.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.25%

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

Synology1 product
  • calendar≥ unspecified, < 2.3.1-0617 | < 2.3.1-0617

1 vendor · 1 product

References

1 links