CVE-2023-6057

Man-in-the-middle interception via improper DSA certificate trust

Published Oct 18, 2024 · Updated Nov 21, 2024

Improper certificate validation in Bitdefender Total Security before 27.0.25.115 allows man-in-the-middle attackers to intercept HTTPS traffic. Its HTTPS scanning component accepts DSA-signed site certificates without properly validating the certificate chain. An unauthenticated attacker able to interpose on the connection can impersonate arbitrary sites and read or alter protected traffic.

CVSS severity8.6
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper certificate validation in Bitdefender Total Security before 27.0.25.115 allows man-in-the-middle attackers to intercept HTTPS traffic. Its HTTPS scanning component accepts DSA-signed site certificates without properly validating the certificate chain. An unauthenticated attacker able to interpose on the connection can impersonate arbitrary sites and read or alter protected traffic.

The record

CVE
CVE-2023-6057
Published
Oct 18, 2024
Updated
Nov 21, 2024
Vendor
Bitdefender
Product
Bitdefender Total Security
Classifications
CWE-295, CAPEC-475, T1557
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <27.0.25.115

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Bitdefender · Bitdefender Total Securityversion=0 <27.0.25.115

Published CVSS scores

7.4NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
8.6BitdefenderCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation
CAPEC-475Signature Spoofing by Improper Validation
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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