CVE-2015-1778

CRITICALNVD 9.89.8—

9.8

The custom authentication realm used by karaf-tomcat's "opendaylight" realm in Opendaylight before Helium SR3 will authenticate any username and password combination.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 86.8%
KEV: Not listed

Published

June 27, 2017

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated May 17, 2026

No patch confirmed yet.

generic

http://www.securityfocus.com/bid/73255

generic

oss-security - OpenDaylight security advisory: CVE-2015-1778 authentication bypass, CVE-2015-1611 CVE-2015-1612 topology spoofing via LLDP

http://www.openwall.com/lists/oss-security/2015/03/20/3

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.opendaylight.odlparent:opendaylight-karaf-resources	—	0.2.3-Helium-SR3	—

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch
2026-05-23 15:10 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 09:43 UTCEG score recompute
2026-05-20 05:57 UTCEG score recompute
2026-05-20 02:11 UTCEG score recompute
2026-05-19 22:25 UTCEG score recompute
2026-05-19 18:39 UTCEG score recompute

Frequently asked(5)

What is CVE-2015-1778?

CVE-2015-1778 is a critical vulnerability published on June 27, 2017. The custom authentication realm used by karaf-tomcat's "opendaylight" realm in Opendaylight before Helium SR3 will authenticate any username and password combination.

When was CVE-2015-1778 disclosed?

CVE-2015-1778 was first published in the National Vulnerability Database on June 27, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-1778 actively exploited?

CVE-2015-1778 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-1778?

CVE-2015-1778 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2015-1778?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-1778, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2015-1778

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