CVE-2015-10027: A vulnerability, which was classified as problematic, has been found in hydrian TTRSS-Auth-LDAP

Routine

MEDIUM 5.5DOWNGRADE

CVE-2015-10027 is a medium-severity flaw (CVSS 5.5) affecting ttrrs-auth-ldap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in hydrian TTRSS-Auth-LDAP. Affected by this issue is some unknown functionality of the component Username Handler. The manipulation leads to ldap injection. Upgrading to version 2.0b1 is able to address this issue. The patch is identified as a7f7a5a82d9202a5c40d606a5c519ba61b224eb8. It is recommended to upgrade the affected component. VDB-217622 is the identifier assigned to th

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-90, CWE-74
Published	2023-01-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: ttrrs-auth-ldap project

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

Am I affected?

Timeline

2023-01-07 17:15 UTCPublished CVE record published
2026-06-17 00:21 UTCUpdated Record last modified

ttrrs-auth-ldap project ttrrs-auth-ldap DOWNGRADE

Affected: 0.5 rc1 · 0.5 rc2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5

1. Check installed version

apt-cache policy ttrrs-auth-ldap || rpm -q ttrrs-auth-ldap || ttrrs-auth-ldap --version

2. No fixed release: DOWNGRADE to a release before 0.5 (Debian / Ubuntu)

apt-cache madison ttrrs-auth-ldap sudo apt install ttrrs-auth-ldap=<VERSION_BEFORE_0.5> sudo apt-mark hold ttrrs-auth-ldap

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

dnf --showduplicates list ttrrs-auth-ldap sudo dnf downgrade ttrrs-auth-ldap-<VERSION_BEFORE_0.5> sudo dnf versionlock add ttrrs-auth-ldap

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-2015-10027?

ttrrs-auth-ldap: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-10027 being exploited?

CVE-2015-10027 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-2015-10027 affect?

CVE-2015-10027 affects ttrrs-auth-ldap. Severity is medium (CVSS 5.5). A vulnerability, which was classified as problematic, has been found in hydrian TTRSS-Auth-LDAP. Affected by this issue is some unknown functionality of the component Username Handler. The manipulation leads to ldap injection. Upgrading to

How urgent is CVE-2015-10027?

Priority 34/100. No elevated risk signals yet.

References

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