EPM: Improper Restriction of XML External Entity Reference
CVE-2024-37397 is a high-severity improper restriction of XML external entity reference vulnerability in EPM from Ivanti, with a CVSS 3.0 base score of 8.2 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists versions 2024 September Security Update, 2022 SU6 as the first without the flaw, so updating EPM to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 59.3% chance of exploitation within 30 days, which is in the top 0.87% of all scored CVEs.
Exploitation in the next 30 days is more likely than not, according to EPSS.
What to do
- Update EPM to 2024 September Security Update or 2022 SU6, whichever matches your release line, or a later version.
- Update endpoint_manager to 2022_su6 or 2024_september_security_update, whichever matches your release line, or a later version.
- Read the advisory on forums.ivanti.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Ivanti | EPM | 2024 September Security Update up to, but not including, 2024 September Security Update; 2022 SU6 up to, but not including, 2022 SU6 | 2024 September Security Update, 2022 SU6 |
| Ivanti | endpoint_manager | before 2022_su6; before 2024_september_security_update | 2022_su6, 2024_september_security_update |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- LowLimited modification of data is possible.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N. Scored by CNA (hackerone.com).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.2 | High | CISA (ADP) |
| CVSS 3.0 | 8.2 | High | CNA (hackerone.com) |
Official description
An External XML Entity (XXE) vulnerability in the provisioning web service of Ivanti EPM before 2022 SU6, or the 2024 September update allows a remote unauthenticated attacker to leak API secrets.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Restriction of XML External Entity Reference
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
How developers prevent this class of flaw
- Many XML parsers and validators can be configured to disable external entity expansion.
More Improper Restriction of XML External Entity Reference vulnerabilities (CWE-611)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in EPM
- 7.2 High severity
- 7.8 High severity
- 7.2 High severity
- 7.2 High severity
- 7.2 High severity
- 7.2 High severity
Recent Improper Restriction of XML External Entity Reference vulnerabilities
- 8.6 High severity
- 8.8 High severity
- 7.5 High severity
- 8.8 High severity
- 8.2 High severity
- 7.5 High severity
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