CVE-2024-48905: Sematell ReplyOne 7.4.3.0 has Insecure Permissions for the /rest/sessions endpoint.

This week

CRITICAL 9.1REMOTEDOWNGRADE

CVE-2024-48905 is a critical-severity flaw (CVSS 9.1) affecting replyone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sematell ReplyOne 7.4.3.0 has Insecure Permissions for the /rest/sessions endpoint.

Why this priority

Critical 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	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-05-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sematell

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

Am I affected?

Timeline

2025-05-01 21:15 UTCPublished CVE record published
2026-06-17 07:59 UTCUpdated Record last modified

sematell replyone DOWNGRADE

Affected: 7.4.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.4.3.0

1. Check installed version

apt-cache policy replyone || rpm -q replyone || replyone --version

2. No fixed release: DOWNGRADE to a release before 7.4.3.0 (Debian / Ubuntu)

apt-cache madison replyone sudo apt install replyone=<VERSION_BEFORE_7.4.3.0> sudo apt-mark hold replyone

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

dnf --showduplicates list replyone sudo dnf downgrade replyone-<VERSION_BEFORE_7.4.3.0> sudo dnf versionlock add replyone

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-2024-48905?

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

Is CVE-2024-48905 being exploited?

CVE-2024-48905 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-2024-48905 affect?

CVE-2024-48905 affects replyone. Severity is critical (CVSS 9.1). Sematell ReplyOne 7.4.3.0 has Insecure Permissions for the /rest/sessions endpoint.

How urgent is CVE-2024-48905?

Priority 51/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-48907 HIGH 7.5 DOWNGRADE Sematell ReplyOne 7.4.3.0 allows SSRF via the application server API.
CVE-2024-48906 MEDIUM 6.1 DOWNGRADE Sematell ReplyOne 7.4.3.0 allows XSS via a ReplyDesk e-mail attachment name.

References

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