CVE-2024-27310: Zoho ManageEngine ADSelfService Plus versions below 6401 are vulnerable to the DOS attack due to the malicious

Q: How do I fix CVE-2024-27310?

manageengine adselfservice plus: upgrade to 6.4. Exact commands for each OS are on this page.

Q: Is CVE-2024-27310 being exploited?

CVE-2024-27310 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-27310 affect?

CVE-2024-27310 affects manageengine adselfservice plus. Severity is medium (CVSS 5.3). Zoho ManageEngine ADSelfService Plus versions below 6401 are vulnerable to the DOS attack due to the malicious LDAP input.

Q: How urgent is CVE-2024-27310?

Priority 44/100. Remotely exploitable, no login, no user action

This month

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-27310 is a medium-severity flaw (CVSS 5.3) affecting manageengine adselfservice plus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Zoho ManageEngine ADSelfService Plus versions below 6401 are vulnerable to the DOS attack due to the malicious LDAP input.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-90
Published	2024-05-27
Last modified	2026-06-17

Publisher (CNA): ManageEngine · Vendor: zohocorp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-27 18:15 UTCPublished CVE record published
2026-06-17 07:19 UTCUpdated Record last modified

zohocorp manageengine adselfservice plus UPGRADE

Affected: < 6.4 · 6.4 6400

Fixed in: 6.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy manageengine-adselfservice-plus || rpm -q manageengine-adselfservice-plus || manageengine-adselfservice-plus --version

2. UPGRADE to 6.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade manageengine-adselfservice-plus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade manageengine-adselfservice-plus

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-27310?

manageengine adselfservice plus: upgrade to 6.4. Exact commands for each OS are on this page.

Is CVE-2024-27310 being exploited?

CVE-2024-27310 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-27310 affect?

CVE-2024-27310 affects manageengine adselfservice plus. Severity is medium (CVSS 5.3). Zoho ManageEngine ADSelfService Plus versions below 6401 are vulnerable to the DOS attack due to the malicious LDAP input.

How urgent is CVE-2024-27310?

Priority 44/100. Remotely exploitable, no login, no user action

Software pages

Zoho ManageEngine vulnerabilities

Related CVEs

CVE-2025-3833 HIGH 8.1 UPGRADE Zohocorp ManageEngine ADSelfService Plus versions 6513 and prior are vulnerable to authenticated SQL injection
CVE-2025-1723 HIGH 8.1 UPGRADE Zohocorp ManageEngine ADSelfService Plus versions 6510 and below are vulnerable to account takeover due to the
CVE-2025-11250 CRITICAL 9.1 UPGRADE Zohocorp ManageEngine ADSelfService Plus versions before 6519 are vulnerable to Authentication Bypass due to i

References

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