EyouCms 1.5.4 URL saveRemote server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in EyouCms 1.5.4. Affected by this issue is the function saveRemote of the component URL Handler. Performing a manipulation results in server-side request forgery.
This vulnerability is cataloged as CVE-2021-39497. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Details
A vulnerability was found in EyouCms 1.5.4. It has been classified as critical. This affects the function saveRemote of the component URL Handler. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 09/08/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-39497. Technical details and a public exploit are known.
The exploit is shared for download at hptcybersec.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Name
Version
License
Website
- Product: https://github.com/eyoucms/eyoucms/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.7
VulDB Base Score: 5.0
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/23/2021 🔍09/08/2021 🔍
09/08/2021 🔍
09/10/2021 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2021-39497 (🔍)
GCVE (CVE): GCVE-0-2021-39497
GCVE (VulDB): GCVE-100-182139
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 09/08/2021 08:03Updated: 09/10/2021 13:52
Changes: 09/08/2021 08:03 (59), 09/10/2021 13:52 (2)
Complete: 🔍
Cache ID: 216::103
Submit
Duplicate
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.