CVE-2017-3881

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-03-25. Federal remediation due 2022-04-15.

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

98.98% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2017-03-17 22:00Z9 YR AGO

Last updated

2026-01-12 20:45Z7 MO AGO

Reserved

2016-12-21

Assigning CNA

cisco

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

5.2

Document digest

7f81afaf9e2385e0bc99b5db52b105c19643bdcb6a4dab02a73ec3a768a040e4

• www.exploit-db.com41872https://www.exploit-db.com/exploits/41872/exploitx_refsource_EXPLOIT-DB
• www.exploit-db.com41874https://www.exploit-db.com/exploits/41874/exploitx_refsource_EXPLOIT-DB
• www.securityfocus.com97391http://www.securityfocus.com/bid/97391vdb-entryx_refsource_BID
• www.securityfocus.com96960http://www.securityfocus.com/bid/96960vdb-entryx_refsource_BID
• tools.cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170317-cmpx_refsource_CONFIRM
• www.securitytracker.com1038059http://www.securitytracker.com/id/1038059vdb-entryx_refsource_SECTRACK
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-3881government-resource