SAP NetWeaver AS for ABAP up to 8.04 RFC Gateway ThCPIC denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in SAP NetWeaver AS for ABAP up to 8.04 and classified as problematic. Affected by this vulnerability is the function ThCPIC of the component RFC Gateway. The manipulation leads to denial of service.
This vulnerability is uniquely identified as CVE-2021-27633. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability, which was classified as critical, has been found in SAP NetWeaver AS for ABAP up to 8.04 (Solution Stack Software). This issue affects the function ThCPIC of the component RFC Gateway. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was disclosed 06/09/2021. It is possible to read the advisory at wiki.scn.sap.com. The identification of this vulnerability is CVE-2021-27633. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/09/2021). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
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
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-2021-27633 (🔍)
GCVE (CVE): GCVE-0-2021-27633
GCVE (VulDB): GCVE-100-176627
scip Labs: https://www.scip.ch/en/?labs.20150716
Entry
Created: 06/09/2021 20:58Updated: 06/11/2021 22:08
Changes: 06/09/2021 20:58 (38), 06/11/2021 21:56 (2), 06/11/2021 22:08 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.