CVE-2017-9791

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-02-10. Federal remediation due 2022-08-10.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

98.91% 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

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

Important. 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

2017-07-10 16:00Z9 YR AGO

Last updated

2025-10-21 23:55Z10 MO AGO

Reserved

2017-06-21

Assigning CNA

apache

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

59e11495695783a775e3c3d118dcc1c21f8f117377bdafcca3a52d684a78025d

• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.htmlx_refsource_CONFIRM
• www.securityfocus.com99484http://www.securityfocus.com/bid/99484vdb-entryx_refsource_BID
• www.exploit-db.com42324https://www.exploit-db.com/exploits/42324/exploitx_refsource_EXPLOIT-DB
• struts.apache.orghttp://struts.apache.org/docs/s2-048.htmlx_refsource_CONFIRM
• www.securitytracker.com1038838http://www.securitytracker.com/id/1038838vdb-entryx_refsource_SECTRACK
• www.exploit-db.com44643https://www.exploit-db.com/exploits/44643/exploitx_refsource_EXPLOIT-DB
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20180706-0002/x_refsource_CONFIRM
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9791government-resource