CVE-2018-14964: An issue was discovered in EMLsoft 5.4.5

Routine

MEDIUM 5.4DOWNGRADE

CVE-2018-14964 is a medium-severity flaw (CVSS 5.4) affecting emlsoft. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in EMLsoft 5.4.5. XSS exists via the eml/upload/eml/?action=address&do=edit page.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-08-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: emlsoft project

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

Am I affected?

Timeline

2018-08-06 15:29 UTCPublished CVE record published
2026-06-17 01:41 UTCUpdated Record last modified

emlsoft project emlsoft DOWNGRADE

Affected: 5.4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.4.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.4.5 (Debian / Ubuntu)

apt-cache madison emlsoft sudo apt install emlsoft=<VERSION_BEFORE_5.4.5> sudo apt-mark hold emlsoft

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

dnf --showduplicates list emlsoft sudo dnf downgrade emlsoft-<VERSION_BEFORE_5.4.5> sudo dnf versionlock add emlsoft

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-2018-14964?

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

Is CVE-2018-14964 being exploited?

CVE-2018-14964 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-2018-14964 affect?

CVE-2018-14964 affects emlsoft. Severity is medium (CVSS 5.4). An issue was discovered in EMLsoft 5.4.5. XSS exists via the eml/upload/eml/?action=address&do=edit page.

How urgent is CVE-2018-14964?

Priority 35/100. Public exploit reference

Related CVEs

CVE-2018-14968 CRITICAL 9.8 DOWNGRADE An issue was discovered in EMLsoft 5.4.5
CVE-2018-14967 HIGH 8.8 DOWNGRADE An issue was discovered in EMLsoft 5.4.5
CVE-2018-14966 HIGH 8.8 DOWNGRADE An issue was discovered in EMLsoft 5.4.5
CVE-2018-14965 HIGH 8.8 DOWNGRADE An issue was discovered in EMLsoft 5.4.5

References

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