CVE-2017-2491

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

8.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. 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

2017-06-27 20:00Z9 YR AGO

Last updated

2024-08-05 13:55Z2 YR AGO

Reserved

2016-12-01

Assigning CNA

apple

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

1cdd49b064496401d44ed02ef6b485b7e9deb8f106e37ab171ab6bef8fe74575

• support.apple.comhttps://support.apple.com/en-us/HT207617x_refsource_CONFIRM
• www.exploit-db.com41964https://www.exploit-db.com/exploits/41964/exploitx_refsource_EXPLOIT-DB
• www.zerodayinitiative.comhttp://www.zerodayinitiative.com/advisories/ZDI-17-321x_refsource_MISC
• www.securityfocus.com98316http://www.securityfocus.com/bid/98316vdb-entryx_refsource_BID