Apache Sling Authentication Service vulnerability

Also known as GHSA-vcvp-89fq-hwj8

Published 8 y ago 2017-12-18 · modified 4 mo ago 2026-06-17 · JSON

CVSS

8.8

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.9%

percentile 79%

Public exploits

none known

A flaw in the org.apache.sling.auth.core.AuthUtil#isRedirectValid method in Apache Sling Authentication Service 1.4.0 allows an attacker, through the Sling login form, to trick a victim to send over their credentials.

Exploit prediction (EPSS)

1.86% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	8.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:P/I:N/A:N`
GitHub	3.0	8.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Affected packages

Ecosystem	Package	Affected	Fixed in
maven	`org.apache.sling:org.apache.sling.auth.core`	>=1.4.0, <1.4.2	1.4.2

Affected products

Apache Software Foundation Apache Sling

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

lists.apache.org /thread.html/182bed1dd6933824a81cc5f07639eeb813fbd8f2cc49d51b452ab621%40%3Cdev.sling.apach · mailing-list, x_refsource_MLIST, x_transferred
nvd.nist.gov /vuln/detail/CVE-2017-15700 · advisory
github.com /apache/sling-org-apache-sling-auth-core · package
lists.apache.org /thread.html/182bed1dd6933824a81cc5f07639eeb813fbd8f2cc49d51b452ab621@%3Cdev.sling.apache. · web

Sources

CVE List: CVE-2017-15700
GitHub Advisory: GHSA-vcvp-89fq-hwj8
NVD: CVE-2017-15700

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary