CVE-2019-14888 — A vulnerability was found in the Undertow HTTP server in versions before 2

A vulnerability was found in the Undertow HTTP server in versions before 2.0.28.SP1 when listening on HTTPS. An attacker can target the HTTPS port to carry out a Denial Of Service (DOS) to make the service unavailable on SSL.

01What is this vulnerability?

A vulnerability was found in the Undertow HTTP server in versions before 2.0.28.SP1 when listening on HTTPS. An attacker can target the HTTPS port to carry out a Denial Of Service (DOS) to make the service unavailable on SSL.

02Affected products

Vendor	Product	Versions
Red Hat	undertow	All versions before 2.0.28.SP1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-01-23T16:25:11.000Z
• Last modified: 2024-08-05T00:26:39.131Z

09References

• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14888
• access.redhat.com — https://access.redhat.com/errata/RHSA-2020:0729
• security.netapp.com — https://security.netapp.com/advisory/ntap-20220211-0001/