CVE-2015-5703: SQL injection vulnerability in the public key discovery API call in Open-Xchange OX Guard before 2.0.0-rev8 al

Q: How do I fix CVE-2015-5703?

open-xchange ox guard: upgrade to newer than 2.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2015-5703 being exploited?

CVE-2015-5703 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-2015-5703 affect?

CVE-2015-5703 affects open-xchange ox guard. Severity is medium (CVSS 6.5). SQL injection vulnerability in the public key discovery API call in Open-Xchange OX Guard before 2.0.0-rev8 allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors.

Q: How urgent is CVE-2015-5703?

Priority 42/100. No elevated risk signals yet.

This month

MEDIUM 6.5UPGRADE

CVE-2015-5703 is a medium-severity flaw (CVSS 6.5) affecting open-xchange ox guard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in the public key discovery API call in Open-Xchange OX Guard before 2.0.0-rev8 allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-89
Published	2015-09-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: open-xchange ox guard

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

Am I affected?

Timeline

2015-09-28 16:59 UTCPublished CVE record published
2026-06-17 00:29 UTCUpdated Record last modified

open-xchange ox guard open-xchange ox guard UPGRADE

Affected: <= 2.0.0

Fixed in: newer than 2.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy open-xchange-ox-guard || rpm -q open-xchange-ox-guard || open-xchange-ox-guard --version

2. UPGRADE to newer than 2.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade open-xchange-ox-guard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade open-xchange-ox-guard

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-2015-5703?

open-xchange ox guard: upgrade to newer than 2.0.0. Exact commands for each OS are on this page.

Is CVE-2015-5703 being exploited?

CVE-2015-5703 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-2015-5703 affect?

CVE-2015-5703 affects open-xchange ox guard. Severity is medium (CVSS 6.5). SQL injection vulnerability in the public key discovery API call in Open-Xchange OX Guard before 2.0.0-rev8 allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors.

How urgent is CVE-2015-5703?

Priority 42/100. No elevated risk signals yet.

References

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