CVE-2021-44967 File upload in n/a
Remote attackers with superadmin privileges can upload arbitrary PHP files via the plugin installer, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44967?
CVE-2021-44967 is a high-severity vulnerability in Limesurvey Limesurvey, published on 22 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Remote Code Execution (RCE) vulnerabilty exists in LimeSurvey 5.2.4 via the upload and install plugins function, which could let a remote malicious user upload an arbitrary PHP code file. NOTE: the Supplier's position is that plugins intentionally can contain arbitrary PHP code, and can only be installed by a superadmin, and therefore the security model is not violated by this finding.
Weakness: CWE-434
Which versions are affected by CVE-2021-44967?
1 open source package ship an affected version, including limesurvey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
limesurvey Bitnami | From 5.2.4 | 5.2.5 |
Products include Limesurvey Limesurvey.
How do I fix CVE-2021-44967?
Upgrade limesurvey to 5.2.5 or later.
Is CVE-2021-44967 being exploited?
There is no known exploitation of CVE-2021-44967 in the wild and no public exploit code.
Public exploit code: 3 proofs of concept on GitHub.
Other vulnerabilities in Limesurvey Limesurvey
Sources
Also known as BIT-limesurvey-2021-44967, GHSA-58c2-r57v-99r7.