CVE-2024-1708
Improper limitation of a pathname to a restricted directory (“path traversal”)
ConnectWise ScreenConnect 23.9.7 and prior are affected by path-traversal vulnerability, which may allow an attacker the ability to execute remote code or directly impact confidential data or critical systems.
Published Updated Sources: NVD, ConnectWise (CNA), CISA, FIRST EPSS, GitHub, GitHub Security Advisory
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Confirmed
CISA KEV, listed Apr 28, 2026
EPSS
88%
ahead of 99.7% of scored CVEs
CVSS base
8.4
high
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
Active
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Total
partial · total control of the vulnerable component
Remediation
The vendor's own words where we have them.
Upgrade ScreenConnect to a fixed release. Apply vendor patches per advisory and restrict external exposure of the affected component until patched.
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.
Federal deadline May 12, 2026 — passed 102 days ago
First 24 hours
Ordered from the record's own fields — exposure first, because you cannot patch what you have not found.
- Identify exposed assets running affected vendor/product/version combinations.
- Treat as emergency remediation because CISA KEV status is present.
- Search available logs for exploit probes, errors, authentication anomalies, or suspicious child processes matching the vulnerability class.
Affected scope
Vendor, product and version as the advisories word them.
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ConnectWise | ScreenConnect | 0 to <= 23.9.7 | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
High
Confidentiality
High
Integrity
High
Scope
Changed
Attack Complexity
Low
Attack Vector
Network
Privileges Req
High
User Interaction
Required
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 8.4 | CVSS 3.1 | high | 1.7 | 6 | CNA, NVD, ConnectWise (CNA), GHSA |
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Weakness & attack patterns
- CWE-22
Inferred from the weakness class — not observed against this CVE.
CISA KEV details
CISA lists a CVE here once it has evidence of exploitation against real targets.
Listed
Apr 28, 2026
Federal deadline
May 12, 2026
passed 102 days ago
Ransomware use
Known
CISA records ransomware use only for campaigns it has confirmed, so “Unknown” means unrecorded, not ruled out. The deadline binds US federal agencies; for everyone else it is a date to argue against.
Public exploit
Capability, not use: code existing is a different claim from anyone running it.
Repositories
55
2 of the 5 sampled are weaponized
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Prioritize edge telemetry for network-reachable ScreenConnect.
- Monitor for scanner or exploit-pattern traffic after 55 public PoC repositories were reported.
Timeline
What happened to this CVE, newest first — with the readings a source repeats on a schedule counted underneath rather than listed.
- 2026
Added · CVSS 3.1 8.4 (AV:N)
Jun 17, 2026 · NVD
Added to CISA KEV catalog
Apr 28, 2026 · CISA
- 2024
Initial · CVE published
Feb 21, 2024 · NVD
Added · GHSA-65x5-26gm-j9pq published (high)
Feb 21, 2024 · GitHub Security Advisory
References
6 on the record
- www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
Vendor Advisory
- www.huntress.com/blog/a-catastrophe-for-control-understanding-the-screenconnect-authentication-bypass
Exploit, Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1708
Third Party Advisory, US Government Resource
- www.microsoft.com/en-us/security/blog/2026/04/06/storm-1175-focuses-gaze-on-vulnerable-web-facing-assets-in-high-tempo-medusa-ransomware-operations/
Technical Description, Vendor Advisory
- nvd.nist.gov/vuln/detail/CVE-2024-1708
NVD, Vendor Advisory
- github.com/advisories/GHSA-65x5-26gm-j9pq
Exploit, Third Party Advisory
Elsewhere on this site
- ConnectWiseevery CVE for this vendor
- April 2026what else CISA listed
- Remote Code Execsame class
- CWE-22other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record1
What should defenders know first?
CVE-2024-1708 is Improper limitation of a pathname to a restricted directory (“path traversal”), a high vulnerability affecting ScreenConnect from ConnectWise. The current evidence lists it in CISA KEV, and the exploit status is: Yes: CISA KEV signal present. Public exploit evidence is: 55 public PoC repositories reported; 2 marked weaponized in current dataset. The affected-version evidence is listed in the key facts and affected products tables. Defenders should first verify whether exposed or business-critical assets run those versions, then apply vendor patches or mitigations, restrict reachable attack surface, and preserve logs for detection review. CVSS 8.4 describes technical severity, while EPSS 88% helps estimate near-term exploit likelihood; neither replaces asset context. Unknown fields should remain explicit in tickets, and threat actor, IOC, victimology, or payload claims should not be added unless a cited source supports them. Monitor CISA KEV, vendor advisories, NVD changes, public PoC repositories, and internal telemetry for update triggers.