Manageengine Firewall Analyzer: Improper Handling of Exceptional Conditions
CVE-2022-36923 is a high-severity improper handling of exceptional conditions vulnerability in Manageengine Firewall Analyzer from Zoho, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Manageengine Firewall Analyzer versions: 12.5; 12.6. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 7.67% chance of exploitation within 30 days, which is in the top 5.32% of all scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Manageengine Firewall Analyzer 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 Firewall Analyzer | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Netflow Analyzer | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Network Configuration Manager | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Opmanager | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Opmanager Msp | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Opmanager Plus | 12.5; 12.6 | Not stated |
| Zoho | Manageengine Oputils | 12.5; 12.6 | 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
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 3.1 | 5.4 | Medium | CISA (ADP) |
Official description
Zoho ManageEngine OpManager, OpManager Plus, OpManager MSP, Network Configuration Manager, NetFlow Analyzer, Firewall Analyzer, and OpUtils before 2022-07-27 through 2022-07-28 (125657, 126002, 126104, and 126118) allow unauthenticated attackers to obtain a user's API key, and then access external APIs.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Handling of Exceptional Conditions
The product does not handle or incorrectly handles an exceptional condition.
More Improper Handling of Exceptional Conditions vulnerabilities (CWE-755)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Manageengine Firewall Analyzer
- 7.4 High severity
- 7.7 High severity
- 8.8 High severity
- 7.1 High severity
- 7.1 High severity
- 8.1 High severity
Recent Improper Handling of Exceptional Conditions vulnerabilities
- 8.1 High severity
- 7.8 High severity
- 7.1 High severity
- 8.4 High severity
- 7.8 High severity
- 7.5 High severity
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