SAP NetWeaver ABAP Server up to 8.04 Enqueue Server EnqConvUniToSrvReq denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in SAP NetWeaver ABAP Server up to 8.04. This impacts the function EnqConvUniToSrvReq of the component Enqueue Server. Performing a manipulation results in denial of service.
This vulnerability is known as CVE-2021-27631. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability classified as critical has been found in SAP NetWeaver ABAP Server up to 8.04 (Solution Stack Software). This affects the function EnqConvUniToSrvReq of the component Enqueue Server. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was published 06/09/2021. The advisory is shared at wiki.scn.sap.com. This vulnerability is uniquely identified as CVE-2021-27631. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/09/2021). MITRE ATT&CK project uses the attack technique T1499 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.sap.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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: Denial of serviceCWE: CWE-404
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/23/2021 🔍06/09/2021 🔍
06/09/2021 🔍
06/11/2021 🔍
Sources
Vendor: sap.comAdvisory: wiki.scn.sap.com
Status: Confirmed
CVE: CVE-2021-27631 (🔍)
GCVE (CVE): GCVE-0-2021-27631
GCVE (VulDB): GCVE-100-176625
scip Labs: https://www.scip.ch/en/?labs.20150716
Entry
Created: 06/09/2021 20:57Updated: 06/11/2021 21:17
Changes: 06/09/2021 20:57 (38), 06/11/2021 21:08 (2), 06/11/2021 21:17 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.