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CVE-2019-14857

21
FAUCET Score

CVE-2019-14857 is an open redirect vulnerability affecting mod_auth_openidc versions prior to 2.4.0.1, similar to a previous flaw in mod_auth_mellon. This medium-severity vulnerability, rated 6.1 CVSS, allows an unauthenticated attacker to redirect a user to an arbitrary malicious site through a crafted URL, potentially leading to information disclosure or phishing. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations using affected versions should update to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.0.1CPE matchmatch criteria
cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.8MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 85th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: mod_auth_openidc-0:1.8.8-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mod_auth_openidc:2.3-8020020200604180605.4cda2c84
View patch

Vendor Advisories (1)

redhatCVE-2019-14857Moderate

mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes

Oct 2, 2019

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / zmartzone/mod_auth_openidc/commit/5c15dfb08106c2451c2c44ce7ace6813c216ba75
PatchThird Party Advisory
github.com / zmartzone/mod_auth_openidc/commit/ce37080c6aea30aabae8b4a9b4eea7808445cc8e
PatchThird Party Advisory
github.com / zmartzone/mod_auth_openidc/pull/451
PatchThird Party Advisory
groups.google.com / forum
lists.debian.org / debian-lts-announce/2020/07/msg00028.html