Security Digest · Vulnerability record · Known exploited
CVE-2024-57726: SimpleHelp Missing Authorization Vulnerability
Exploited in the wild (CISA KEV). SimpleHelp remote support software v5.5.7 and before has a vulnerability that allows low-privileges technicians to create API keys with excessive permissions.
CISA KEV · added 2026-04-24 CVSS 9.9 Critical EPSS 66.6% · p99
Should you act?
Exploited: patch now if you run it
CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- Yes, if you run SimpleHelp SimpleHelp. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-04-24, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-05-08; treat that as the outer limit, not the target. CISA also lists it as known to be used in ransomware campaigns.
- EPSS 66.6%, percentile 99: FIRST’s model estimates a 66.6% chance of exploitation activity in the next 30 days, higher than 99% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.
What it is
SimpleHelp remote support software v5.5.7 and before has a vulnerability that allows low-privileges technicians to create API keys with excessive permissions. These API keys can be used to escalate privileges to the server admin role.
CISA’s summary
SimpleHelp contains a missing authorization vulnerability that could allow low-privileged technicians to create API keys with excessive permissions. These API keys can be used to escalate privileges to the server admin role.
Weakness type: CWE-862.
Product: SimpleHelp SimpleHelp · Assigned by: mitre · Published: 2025-01-15
Affected and fixed versions
| Vendor | Product | Affected versions (per CVE record) |
|---|---|---|
| n/a | n/a | see vendor advisory |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADP | 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- Attack vector: network (remotely reachable)
- Attack complexity: low
- Privileges required: low (any account)
- User interaction: none
- Scope: changed (can affect other components)
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- CISA KEV: added 2026-04-24; federal due date 2026-05-08. Known ransomware use: Known.
- CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active, automatable no, technical impact total.
- FIRST EPSS (model of 2026-10-21): 66.60% probability of exploitation activity in the next 30 days; percentile 99.
Timeline
- — CVE record published by mitre
- — Added to CISA’s Known Exploited Vulnerabilities catalog
- — CISA remediation deadline for US federal agencies
- — CVE record last updated
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vendor and project advisories, patches
- Listed in CISA KEV notes (simple-help.com) simple-help.com
Vulnerability records
- CVE.org record CVE-2024-57726 cve.org
- NVD entry CVE-2024-57726 nvd.nist.gov
Government
Other references from the CVE record and advisory
- horizon3.ai horizon3.ai
- microsoft.com microsoft.com
- trendmicro.com trendmicro.com
All exploited SimpleHelp vulnerabilities · Today’s Security Digest