MTProto Proxy up to 0.7.2 on Erlang insecure default initialization of resource
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in MTProto Proxy up to 0.7.2 on Erlang. Affected by this issue is some unknown functionality. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2023-45312. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in MTProto Proxy up to 0.7.2 on Erlang (Firewall Software) and classified as critical. Using CWE to declare the problem leads to CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. Impacted is confidentiality, integrity, and availability. CVE summarizes:
In the mtproto_proxy (aka MTProto proxy) component through 0.7.2 for Erlang, a low-privileged remote attacker can access an improperly secured default installation without authenticating and achieve remote command execution ability.
The weakness was published 10/11/2023. The advisory is shared for download at medium.com. This vulnerability is handled as CVE-2023-45312 since 10/06/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/03/2025).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2682). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.3VulDB Meta Temp Score: 8.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 8.8
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Insecure default initialization of resourceCWE: CWE-1188
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
10/06/2023 🔍10/11/2023 🔍
10/11/2023 🔍
10/03/2025 🔍
Sources
Advisory: medium.comStatus: Not defined
CVE: CVE-2023-45312 (🔍)
GCVE (CVE): GCVE-0-2023-45312
GCVE (VulDB): GCVE-100-241880
EUVD: 🔍
Entry
Created: 10/11/2023 06:31Updated: 10/03/2025 02:30
Changes: 10/11/2023 06:31 (37), 10/29/2023 21:33 (12), 09/18/2024 22:44 (27), 10/03/2025 02:30 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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