Apache CouchDB up to 3.1.1 HTML Attachment HTML injection

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Apache CouchDB up to 3.1.1. Affected by this vulnerability is an unknown functionality of the component HTML Attachment Handler. Performing a manipulation results in HTML injection. This vulnerability is reported as CVE-2021-38295. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Apache CouchDB up to 3.1.1. This affects an unknown functionality of the component HTML Attachment Handler. The manipulation with an unknown input leads to a html injection vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.
The weakness was disclosed 10/15/2021. The advisory is shared at docs.couchdb.org. This vulnerability is uniquely identified as CVE-2021-38295 since 08/09/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 261272 (Linux Distros Unpatched Vulnerability : CVE-2021-38295), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 3.1.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (261272). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: HTML injectionCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 261272
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-38295
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: CouchDB 3.1.2
Timeline
08/09/2021 🔍10/15/2021 🔍
10/15/2021 🔍
09/04/2025 🔍
Sources
Vendor: apache.orgAdvisory: docs.couchdb.org
Status: Confirmed
CVE: CVE-2021-38295 (🔍)
GCVE (CVE): GCVE-0-2021-38295
GCVE (VulDB): GCVE-100-184437
Entry
Created: 10/15/2021 06:43Updated: 09/04/2025 22:54
Changes: 10/15/2021 06:43 (39), 10/20/2021 16:45 (1), 09/04/2025 22:54 (17)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
No comments yet. Languages: en.
Please log in to comment.