CVE-2017-12149

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-12-10. Federal remediation due 2022-06-10.

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

90.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.8% 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 2026-08-13.

Red Hat severity

Critical. 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

2017-10-04 20:00Z8 YR AGO

Last updated

2026-08-13 03:55Z22 DAYS AGO

Reserved

2017-08-01

Assigning CNA

redhat

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-502Deserialization of Untrusted DataBase

Data version

5.2

Document digest

a7aa5729af8f435e0a2545a6bd446a6957f73186978dc2cec07dbb7fe1ab31d7

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1486220x_refsource_CONFIRM
• access.redhat.comRHSA-2018:1608https://access.redhat.com/errata/RHSA-2018:1608vendor-advisoryx_refsource_REDHAT
• github.comhttps://github.com/gottburgm/Exploits/tree/master/CVE-2017-12149x_refsource_MISC
• www.securityfocus.com100591http://www.securityfocus.com/bid/100591vdb-entryx_refsource_BID
• access.redhat.comRHSA-2018:1607https://access.redhat.com/errata/RHSA-2018:1607vendor-advisoryx_refsource_REDHAT
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12149government-resource