CVE-2019-16516

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

19.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.1% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-01-23 17:24Z6 YR AGO

Last updated

2024-08-05 01:17Z2 YR AGO

Reserved

2019-09-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

b2aa6e27c090239c0a04ca3b831b48d5c398d768c24abcbb8833dae9bf9b13cb

• know.bishopfox.comhttps://know.bishopfox.com/advisoriesx_refsource_MISC
• know.bishopfox.comhttps://know.bishopfox.com/advisories/connectwise-controlx_refsource_MISC
• blog.huntresslabs.comhttps://blog.huntresslabs.com/validating-the-bishop-fox-findings-in-connectwise-control-9155eec36a34x_refsource_MISC
• www.crn.comhttps://www.crn.com/news/managed-services/connectwise-control-msp-security-vulnerabilities-are-severe-bishop-foxx_refsource_MISC
• www.crn.comhttps://www.crn.com/slide-shows/managed-services/connectwise-control-attack-chain-exploit-20-questions-for-security-researcher-bishop-foxx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165432/ConnectWise-Control-19.2.24707-Username-Enumeration.htmlx_refsource_MISC