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MEDIUM

CVE-2019-10098

CVSS v3

6.1

MEDIUM

EPSS Score

74.0 %

exploit probability, as of 2026-10-20

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • mod_mdAlmaLinux:8all versions · fixed in 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa

Vendor advisories

  • CVE-2019-10098 Red Hat Product Security386 products fixed · 12 known affected

    httpd: mod_rewrite potential open redirect

    httpd.src as a component of Red Hat Enterprise Linux 5 · httpd as a component of Red Hat Enterprise Linux 6 · httpd-devel as a component of Red Hat Enterprise Linux 6

  • RHSA-2020:4751 Red Hat Product Security85 products fixed

    Red Hat Security Advisory: httpd:2.4 security, bug fix, and enhancement update

  • RHSA-2020:3958 Red Hat Product Security69 products fixed

    Red Hat Security Advisory: httpd security, bug fix, and enhancement update

  • RHSA-2020:2263 Red Hat Product Security142 products fixed

    Red Hat Security Advisory: httpd24-httpd and httpd24-mod_md security and enhancement update

  • RHSA-2020:1337 Red Hat Product Security89 products fixed

    Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP2 security update

  • RHSA-2020:1336 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP2 security update

Full record on NVD

Description

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.

Technical details

Published
2019-09-25
Exploit-DB
EDB-47689

Frequently asked questions

What is CVE-2019-10098?

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.

Is CVE-2019-10098 actively exploited?

Active exploitation of CVE-2019-10098 has not been confirmed. Its EPSS score was 74.0% on 2026-10-20, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10098?

CVE-2019-10098 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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