Manageengine Servicedesk Plus Msp: Improper Authentication
CVE-2023-22964 is a critical-severity improper authentication vulnerability in Manageengine Servicedesk Plus Msp from Zoho, with a CVSS 3.1 base score of 9.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Manageengine Servicedesk Plus Msp versions: 10.6; 13.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 2.51% chance of exploitation within 30 days, higher than 85% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Manageengine Servicedesk Plus Msp you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on manageengine.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 |
|---|---|---|---|
| Zoho | Manageengine Servicedesk Plus Msp | 10.6; 13.0 | Not stated |
Version data comes from NVD's product matching. 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
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 9.1 | Critical | NVD |
| CVSS 3.1 | 9.1 | Critical | CISA (ADP) |
Official description
Zoho ManageEngine ServiceDesk Plus MSP before 10611, and 13x before 13004, is vulnerable to authentication bypass when LDAP authentication is enabled.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other references
- manageengine.comProduct
Other vulnerabilities in Manageengine Servicedesk Plus Msp
- 8.1 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.2 High severity
- 8.8 High severity
- 9.8 Critical severity
Recent Improper Authentication vulnerabilities
- 8.8 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
- 8.1 High severity
- 9.8 Critical severity
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