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CVE-2023-45312

25
FAUCET Score

CVE-2023-45312 describes a critical remote command execution vulnerability in the mtproto_proxy component (versions through 0.7.2) for Erlang. This flaw allows a low-privileged remote attacker to gain full control over an unauthenticated, default installation. With a CVSS score of 8.8 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, leading to high impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.2CPE matchmatch criteria
cpe:2.3:a:mtproto:mt_proto_proxy:*:*:*:*:*:erlang:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 69th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

erlangGHSA-738q-mc72-2q22high

MTProto proxy remote code execution vulnerability

Oct 10, 2023

References

medium.com / %40_sadshade/almost-2000-telegram-proxy-servers-are-potentially-vulnerable-to-rce-since-2018-742a455be16b