CVE-2024-48530: An issue in the Instructor Appointment Availability module of eSoft Planner 3.24.08271-USA allows attackers to

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2024-48530 is a high-severity flaw (CVSS 7.5) affecting esoft planner. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in the Instructor Appointment Availability module of eSoft Planner 3.24.08271-USA allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-770
Published	2024-11-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: esoftplanner

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

Am I affected?

Timeline

2024-11-20 21:15 UTCPublished CVE record published
2026-06-17 07:58 UTCUpdated Record last modified

esoftplanner esoft planner DOWNGRADE

Affected: 3.24.08271-usa

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.24.08271-usa

1. Check installed version

apt-cache policy esoft-planner || rpm -q esoft-planner || esoft-planner --version

2. No fixed release: DOWNGRADE to a release before 3.24.08271-usa (Debian / Ubuntu)

apt-cache madison esoft-planner sudo apt install esoft-planner=<VERSION_BEFORE_3.24.08271-usa> sudo apt-mark hold esoft-planner

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list esoft-planner sudo dnf downgrade esoft-planner-<VERSION_BEFORE_3.24.08271-usa> sudo dnf versionlock add esoft-planner

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-48530?

esoft planner: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-48530 being exploited?

CVE-2024-48530 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-2024-48530 affect?

CVE-2024-48530 affects esoft planner. Severity is high (CVSS 7.5). An issue in the Instructor Appointment Availability module of eSoft Planner 3.24.08271-USA allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

How urgent is CVE-2024-48530?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-48536 HIGH 7.5 DOWNGRADE Incorrect access control in eSoft Planner 3.24.08271-USA allow attackers to view all transactions performed by
CVE-2024-48535 MEDIUM 5.4 DOWNGRADE A stored cross-site scripting (XSS) vulnerability in eSoft Planner 3.24.08271-USA allows attackers to execute
CVE-2024-48534 MEDIUM 5.4 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability on the Camp Details module of eSoft Planner 3.24.08271-US
CVE-2024-48533 MEDIUM 5.3 DOWNGRADE A discrepancy between responses for valid and invalid e-mail accounts in the Forgot your Login? module of eSof
CVE-2024-48531 MEDIUM 5.4 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability on the Rental Availability module of eSoft Planner 3.24.0

References

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