CVE-2023-35785Network attack vector

Authenticated account takeover via TOTP two-factor bypass

Published Aug 28, 2023 · Updated Aug 2, 2024

Authentication bypass in 17 ManageEngine on-premises products allows remote authenticated users to take over accounts through TOTP 2FA. ManageEngine has not published the affected authentication-flow locus or the validation error that accepts a login without the required TOTP proof. Exploitation requires a valid username-password pair and a target account configured with one of the affected TOTP authenticators.

CVSS severity8.1
High
EPSS probability2.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in 17 ManageEngine on-premises products allows remote authenticated users to take over accounts through TOTP 2FA. ManageEngine has not published the affected authentication-flow locus or the validation error that accepts a login without the required TOTP proof. Exploitation requires a valid username-password pair and a target account configured with one of the affected TOTP authenticators.

The record

CVE
CVE-2023-35785
Published
Aug 28, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-287, T1078
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.1NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1078Valid Accounts

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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