CVE-2014-0999: Sendio before 7.2.4 includes the session identifier in URLs in emails, which allows remote attackers to obtain

Q: How do I fix CVE-2014-0999?

sendio: upgrade to newer than 7.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2014-0999 being exploited?

CVE-2014-0999 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-2014-0999 affect?

CVE-2014-0999 affects sendio. Severity is medium (CVSS 5.0). Sendio before 7.2.4 includes the session identifier in URLs in emails, which allows remote attackers to obtain sensitive information and hijack sessions by reading the jsessionid parameter in the Referrer HTTP header.

Q: How urgent is CVE-2014-0999?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2014-0999 is a medium-severity flaw (CVSS 5.0) affecting sendio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sendio before 7.2.4 includes the session identifier in URLs in emails, which allows remote attackers to obtain sensitive information and hijack sessions by reading the jsessionid parameter in the Referrer HTTP header.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	6.6% (top 6%)
CISA exploited list	No
Weakness	CWE-200
Published	2015-06-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sendio

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

Am I affected?

Timeline

2015-06-02 14:59 UTCPublished CVE record published
2026-06-17 00:03 UTCUpdated Record last modified

sendio sendio UPGRADE

Affected: <= 7.2.3

Fixed in: newer than 7.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 7.2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sendio

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sendio

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Sendio ESP - Information Disclosure

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-2014-0999?

sendio: upgrade to newer than 7.2.3. Exact commands for each OS are on this page.

Is CVE-2014-0999 being exploited?

CVE-2014-0999 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-2014-0999 affect?

CVE-2014-0999 affects sendio. Severity is medium (CVSS 5.0). Sendio before 7.2.4 includes the session identifier in URLs in emails, which allows remote attackers to obtain sensitive information and hijack sessions by reading the jsessionid parameter in the Referrer HTTP header.

How urgent is CVE-2014-0999?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2016-10399 HIGH 7.5 UPGRADE Sendio versions before 8.2.1 were affected by a Local File Inclusion vulnerability that allowed an unauthentic
CVE-2014-8391 MEDIUM 4.0 UPGRADE The Web interface in Sendio before 7.2.4 does not properly handle sessions, which allows remote authenticated

References

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