5.9

CVE-2019-11550: citrix netscaler_sd-wan Improper Certificate Validation

CVSS: 5.9v3.0MediumModified
Published 08-05-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-11550 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in citrix netscaler_sd-wan. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.6% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
0.58%
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. 08-05-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Citrix SD-WAN 10.2.x before 10.2.1 and NetScaler SD-WAN 10.0.x before 10.0.7 have Improper Certificate Validation.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.58% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.58%

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

Citrix2 products
  • netscaler_sd-wan≥ 9.0.0, ≤ 9.3.6 | ≥ 10.0.0, < 10.0.7
  • sd-wan≥ 10.1.0, ≤ 10.1.2 | ≥ 10.2.0, < 10.2.1

1 vendor · 2 products

References

2 links