conjur: Improper Neutralization of Special Elements Used in a Template Engine
CVE-2025-49828 is a high-severity improper neutralization of special elements used in a template engine vulnerability in conjur from CyberArk, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected conjur versions: Conjur OSS >= 1.20.1, < 1.21.2. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 2.24% chance of exploitation within 30 days, higher than 83% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of conjur you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on github.com for workarounds and exact fixed builds.
Affected products and versions
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
- LowA basic user account is enough.
- 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
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 8.6 | High | CNA (github.com) |
| CVSS 3.1 | 8.8 | High | NVD |
Official description
Conjur provides secrets management and application identity for infrastructure. Conjur OSS versions 1.19.5 through 1.21.1 and Secrets Manager, Self-Hosted (formerly known as Conjur Enterprise) 13.1 through 13.4.1 are vulnerable to remote code execution An authenticated attacker who can inject secrets or templates into the Secrets Manager, Self-Hosted database could take advantage of an exposed API endpoint to execute arbitrary Ruby code within the Secrets Manager process. This issue affects both Secrets Manager, Self-Hosted (formerly Conjur Enterprise) and Conjur OSS. Conjur OSS version 1.21.2 and Secrets Manager, Self-Hosted version 13.5 fix the issue.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Neutralization of Special Elements Used in a Template Engine
The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.
How developers prevent this class of flaw
- Choose a template engine that offers a sandbox or restricted mode, or at least limits the power of any available expressions, function calls, or commands.
- Use the template engine's sandbox or restricted mode, if available.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- github.com/cyberark/conjur/releases/tag/v1.21.2Release Notes
Other references
Other vulnerabilities in conjur
- 9.8 Critical severity
- 9.8 Critical severity
Recent Improper Neutralization of Special Elements Used in a Template Engine vulnerabilities
- 10.0 Critical severity
- 7.1 High severity
- 8.5 High severity
- 7.2 High severity
- 9.9 Critical severity
- 8.8 High severity
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