PatchSiren cyber security CVE debrief
CVE-2024-57728 SimpleHelp CVE debrief
CVE-2024-57728 is a SimpleHelp path traversal vulnerability that CISA has added to its Known Exploited Vulnerabilities catalog, which means defenders should treat it as an urgent remediation item. The supplied record does not include a CVSS score, so exposure and KEV status should drive response priority.
- Vendor
- SimpleHelp
- Product
- SimpleHelp
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2026-04-24
- Original CVE updated
- 2026-04-24
- Advisory published
- 2026-04-24
- Advisory updated
- 2026-04-24
Who should care
Administrators and security teams responsible for SimpleHelp deployments, especially any externally reachable or cloud-hosted instances, should review this immediately. Teams that track KEV-listed issues for patching, risk acceptance, or service retirement should also prioritize it.
Technical summary
The supplied sources identify the issue as a SimpleHelp path traversal vulnerability. CISA’s KEV metadata references vendor security guidance for SimpleHelp 5.5.7 and earlier and directs defenders to apply vendor mitigations, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Defensive priority
Urgent. CISA added this issue to the KEV catalog on 2026-04-24 and set a remediation due date of 2026-05-08, so exposed SimpleHelp deployments should be addressed immediately.
Recommended defensive actions
- Inventory all SimpleHelp deployments and identify any internet-facing or cloud-hosted instances.
- Apply the vendor mitigations or upgrade guidance referenced by the SimpleHelp security bulletin as soon as possible.
- If mitigations are unavailable, discontinue use or remove exposure in line with CISA KEV guidance.
- Prioritize remediation before the 2026-05-08 due date and confirm the issue is closed after changes are made.
- If the deployment is cloud-based, follow applicable BOD 22-01 guidance while remediating.
Evidence notes
The supplied corpus names CVE-2024-57728 as "SimpleHelp Path Traversal Vulnerability" and marks it as KEV-listed by CISA on 2026-04-24 with a due date of 2026-05-08. The KEV metadata also references the SimpleHelp security bulletin and the NVD entry, but no CVSS score is provided in the supplied record.
Sources and references
Verified primary and authoritative sources
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CVE-2024-57728 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2024-57728
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2024-57728 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2024-57728
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
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CISA Known Exploited Vulnerabilities catalog
Publisher, destination, and source semantics verified
URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.
Supplemental references
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Source item URL
Unverified legacy reference
URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
cisa_kev
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.