Discourse up to 2.7.7/2.8.0.beta3 Email session expiration
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Discourse up to 2.7.7/2.8.0.beta3. This affects an unknown part of the component Email Handler. This manipulation causes session expiration. This vulnerability appears as CVE-2021-37693. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Discourse up to 2.7.7/2.8.0.beta3. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Email Handler. The manipulation with an unknown input leads to a session expiration vulnerability. The CWE definition for the vulnerability is CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 08/14/2021. The advisory is shared at github.com. This vulnerability is known as CVE-2021-37693. Neither technical details nor an exploit are publicly available.
Upgrading to version 2.7.8 or 2.8.0.beta4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| 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: Session expirationCWE: CWE-613
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Discourse 2.7.8/2.8.0.beta4
Patch: github.com
Timeline
07/29/2021 🔍08/14/2021 🔍
08/14/2021 🔍
08/18/2021 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-37693 (🔍)
GCVE (CVE): GCVE-0-2021-37693
GCVE (VulDB): GCVE-100-180853
Entry
Created: 08/14/2021 08:23Updated: 08/18/2021 10:21
Changes: 08/14/2021 08:23 (37), 08/18/2021 10:15 (3), 08/18/2021 10:21 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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