CVE-2019-5966: Joruri Mail 2.1.4 and earlier does not properly manage sessions, which allows remote attackers to impersonate

Q: How do I fix CVE-2019-5966?

joruri mail: upgrade to newer than 2.1.4. Exact commands for each OS are on this page.

Q: Is CVE-2019-5966 being exploited?

CVE-2019-5966 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-2019-5966 affect?

CVE-2019-5966 affects joruri mail. Severity is medium (CVSS 5.4). Joruri Mail 2.1.4 and earlier does not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and alter/disclose the information via unspecified vectors.

Q: How urgent is CVE-2019-5966?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2019-5966 is a medium-severity flaw (CVSS 5.4) affecting joruri mail. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Joruri Mail 2.1.4 and earlier does not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and alter/disclose the information via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-639
Published	2019-07-05
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: joruri

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

Am I affected?

Timeline

2019-07-05 14:15 UTCPublished CVE record published
2026-06-17 02:38 UTCUpdated Record last modified

joruri joruri mail UPGRADE

Affected: <= 2.1.4

Fixed in: newer than 2.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy joruri-mail || rpm -q joruri-mail || joruri-mail --version

2. UPGRADE to newer than 2.1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade joruri-mail

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade joruri-mail

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-2019-5966?

joruri mail: upgrade to newer than 2.1.4. Exact commands for each OS are on this page.

Is CVE-2019-5966 being exploited?

CVE-2019-5966 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-2019-5966 affect?

CVE-2019-5966 affects joruri mail. Severity is medium (CVSS 5.4). Joruri Mail 2.1.4 and earlier does not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and alter/disclose the information via unspecified vectors.

How urgent is CVE-2019-5966?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2019-5965 MEDIUM 6.1 UPGRADE Open redirect vulnerability in Joruri Mail 2.1.4 and earlier allows remote attackers to redirect users to arbi

References

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