CVE-2024-48907: Sematell ReplyOne 7.4.3.0 allows SSRF via the application server API.

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2024-48907 is a high-severity flaw (CVSS 7.5) 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 allows SSRF via the application server API.

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	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-918
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-2024-48907?

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

Is CVE-2024-48907 being exploited?

CVE-2024-48907 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-2024-48907 affect?

CVE-2024-48907 affects replyone. Severity is high (CVSS 7.5). Sematell ReplyOne 7.4.3.0 allows SSRF via the application server API.

How urgent is CVE-2024-48907?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-48906 MEDIUM 6.1 DOWNGRADE Sematell ReplyOne 7.4.3.0 allows XSS via a ReplyDesk e-mail attachment name.
CVE-2024-48905 CRITICAL 9.1 DOWNGRADE Sematell ReplyOne 7.4.3.0 has Insecure Permissions for the /rest/sessions endpoint.

References

← Back to latest CVEs