CVE-2019-17558

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

98.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.9% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-12-30 16:36Z6 YR AGO

Last updated

2025-10-21 23:35Z10 MO AGO

Reserved

2019-10-14

Assigning CNA

apache

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

a7640bbbc9cc07b96c3aff274561d60ac865c01c4f9f208de272e427eacd5b08

• lists.apache.org[lucene-issues] 20200107 [jira] [Commented] (SOLR-13971) CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/rb964fe5c4e3fc05f75e8f74bf6b885f456b7a7750c36e9a8045c627a%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [jira] [Commented] (SOLR-13971) CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r9271d030452170ba6160c022757e1b5af8a4c9ccf9e04164dec02e7f%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [jira] [Updated] (SOLR-14025) CVE-2019-17558: Velocity response writer RCE vulnerability persists after 8.3.1https://lists.apache.org/thread.html/ra29fa6ede5184385bf2c63e8ec054990a7d4622bba1d244bee70d82d%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [GitHub] [lucene-solr] Sachpat opened a new pull request #1156: SOLR-13971https://lists.apache.org/thread.html/r36e35fd76239a381643555966fb3e72139e018d52d76544fb42f96d8%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [GitHub] [lucene-solr] Sachpat commented on a change in pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r5074d814d3a8c75df4b20e66bfd268ee0a73ddea7e85070cec3ae78d%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [GitHub] [lucene-solr] artem-smotrakov commented on a change in pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/rf6d7ffae2b940114324e036b6394beadf27696d051ae0c4a5edf07af%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200108 [GitHub] [lucene-solr] Sachpat commented on issue #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r58c58fe51c87bc30ee13bb8b4c83587f023edb349018705208e65b37%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200113 [GitHub] [lucene-solr] Sachpat closed pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r25f1bd4545617f5b86dde27b4c30fec73117af65598a30e20209739a%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200113 [jira] [Commented] (SOLR-14025) CVE-2019-17558: Velocity response writer RCE vulnerability persists after 8.3.1https://lists.apache.org/thread.html/r12ab2cb15a34e49b4fecb5b2bdd7e10f3e8b7bf1f4f47fcde34d3a7c%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200113 [GitHub] [lucene-solr] chatman commented on issue #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r99c3f7ec3a079e2abbd540ecdb55a0e2a0f349ca7084273a12e87aeb%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200113 [GitHub] [lucene-solr] Sachpat commented on issue #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r0b7b9d4113e6ec1ae1d3d0898c645f758511107ea44f0f3a1210c5d5%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-dev] 20200213 Re: 7.7.3 bugfix releasehttps://lists.apache.org/thread.html/r339865b276614661770c909be1dd7e862232e3ef0af98bfd85686b51%40%3Cdev.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-dev] 20200214 Re: 7.7.3 bugfix releasehttps://lists.apache.org/thread.html/r19d23e8640236a3058b4d6c23e5cd663fde182255f5a9d63e0606a66%40%3Cdev.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20200219 [jira] [Updated] (SOLR-14025) CVE-2019-17558: Velocity response writer RCE vulnerability persists after 8.3.1https://lists.apache.org/thread.html/rafc939fdd753f55707841cd5886fc7fcad4d8d8ba0c72429b3220a9a%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[ambari-issues] 20200220 [jira] [Created] (AMBARI-25482) solr dependence CVE-2019-17558https://lists.apache.org/thread.html/rde3dbd8e646dabf8bef1b097e9a13ee0ecbdb8441aaed6092726c98d%40%3Cissues.ambari.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20200320 CVEs (vulnerabilities) that apply to Solr 8.4.1https://lists.apache.org/thread.html/r204ba2a9ea750f38d789d2bb429cc0925ad6133deea7cbc3001d96b5%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20200320 Re: CVEs (vulnerabilities) that apply to Solr 8.4.1https://lists.apache.org/thread.html/rf5230a049d989dbfdd404b4320a265dceeeba459a4d04ec21873bd55%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.htmlx_refsource_MISC
• issues.apache.orghttps://issues.apache.org/jira/browse/SOLR-13971x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/157078/Apache-Solr-8.3.0-Velocity-Template-Remote-Code-Execution.htmlx_refsource_MISC
• lists.apache.org[submarine-commits] 20201209 [GitHub] [submarine] QiAnXinCodeSafe opened a new issue #474: There is a vulnerability in Apache Solr 5.5.4,upgrade recommendedhttps://lists.apache.org/thread.html/rc400db37710ee79378b6c52de3640493ff538c2beb41cefdbbdf2ab8%40%3Ccommits.submarine.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20210203 Re: SolrCloud keeps crashinghttps://lists.apache.org/thread.html/r79c7e75f90e735fd32c4e3e97340625aab66c09dfe8c4dc0ab768b69%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20210210 [GitHub] [lucene-solr] rhtham edited a comment on pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/re8d12db916b5582a23ed144b9c5abd0bea0be1649231aa880f6cbfff%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20210210 [GitHub] [lucene-solr] rhtham commented on pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r8a36e4f92f4449dec517e560e1b55639f31b3aca26c37bbad45e31de%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20210212 CVE-2019-17558 on SOLR 6.1https://lists.apache.org/thread.html/r7b89b3dcfc1b6c52dd8d610b897ac98408245040c92b484fe97a51a2%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20210212 Re: CVE-2019-17558 on SOLR 6.1https://lists.apache.org/thread.html/r8e7a3c253a695a7667da0b0ec57f9bb0e31f039e62afbc00a1d96f7b%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-solr-user] 20210213 Re: CVE-2019-17558 on SOLR 6.1https://lists.apache.org/thread.html/r5dc200f7337093285bac40e6d5de5ea66597c3da343a0f7553f1bb12%40%3Csolr-user.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[lucene-issues] 20210315 [GitHub] [lucene-solr] erikhatcher commented on pull request #1156: SOLR-13971: CVE-2019-17558: Velocity custom template RCE vulnerabilityhttps://lists.apache.org/thread.html/r7f21ab40a9b17b1a703db84ac56773fcabacd4cc1eb5c4700d17c071%40%3Cissues.lucene.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[druid-commits] 20210324 [GitHub] [druid] jihoonson opened a new pull request #11030: Suppress cveshttps://lists.apache.org/thread.html/r1d4a247329a8478073163567bbc8c8cb6b49c6bfc2bf58153a857af1%40%3Ccommits.druid.apache.org%3Emailing-listx_refsource_MLIST
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17558government-resource