Known exploited vulnerability
CVE-2015-5477
The short answer
CVE-2015-5477 affects n/a n/a and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-10-08: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploited (CISA KEV)
Yes, since Oct 8, 2026
Federal due date Oct 11, 2026
EPSS, next 30 days
100%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
What CISA says to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for…
Affected products
n/a. NVD's record lists the exact affected versions.
References
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04789415 Third Party Advisory
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952480 Third Party Advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05095918 Third Party Advisory
- kb.isc.org/article/AA-01272 Broken LinkPatchVendor Advisory
- kb.isc.org/article/AA-01305 Broken Link
- kb.isc.org/article/AA-01306 Broken Link
- kb.isc.org/article/AA-01307 Broken Link
- kb.isc.org/article/AA-01438 Broken Link
- kb.juniper.net/JSA10783 Third Party Advisory
- kc.mcafee.com/corporate/index?page=content&id=SB10126 Broken Link
- security.gentoo.org/glsa/201510-01 Third Party Advisory
- security.netapp.com/advisory/ntap-20160114-0001/ Third Party Advisory
Questions
Is CVE-2015-5477 being exploited?
Yes. CISA added CVE-2015-5477 to its Known Exploited Vulnerabilities catalog on 2026-10-08, with a federal remediation due date of 2026-10-11.
How do I fix CVE-2015-5477?
CISA's required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for…
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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