CVE-2016-4523

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-04-15. Federal remediation due 2022-05-06.

SSVC decision

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

31.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.1% 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:L/PR:N/UI:N/S:U/C:N/I:N/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

2016-06-09 10:00Z10 YR AGO

Last updated

2025-10-21 23:55Z10 MO AGO

Reserved

2016-05-05

Assigning CNA

icscert

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

9ec3a2dac63093a0f8c4343fe204d942d30b970e3885844fb6eac5f4f9fe4dce

• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSA-16-159-01x_refsource_MISC
• www.securityfocus.com91077http://www.securityfocus.com/bid/91077vdb-entryx_refsource_BID
• www.zerodayinitiative.comhttp://www.zerodayinitiative.com/advisories/ZDI-16-405x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4523government-resource