Is CVE-2015-8271 in the CISA KEV catalog?

No. CVE-2015-8271 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8271?

CVE-2015-8271 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2015-8271?

CVE-2015-8271 has an EPSS score of 5.92% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8271?

Upgrade rtmpdump on debian 11 to 2.4+20151223.gitfa8646d.1-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2015-8271

CRITICALEPSS 92th pctl

9.8

CVSS v3

NVD

Description

The AMF3CD_AddProp function in amf.c in RTMPDump 2.4 allows remote RTMP Media servers to execute arbitrary code.

CWE-123

How to fix

Remediation Available

rtmpdumpDebian

Fixed in:2.4+20151223.gitfa8646d.1-1CVE-2015-8271

librtmp0Ubuntu

Fixed in:2.4+20121230.gitdf6c518-1ubuntu0.1USN-3283-1

librtmp1Ubuntu

Fixed in:2.4+20151223.gitfa8646d-1ubuntu0.1USN-3283-1

rtmpdumpUbuntu

Fixed in:2.4+20121230.gitdf6c518-1ubuntu0.1USN-3283-1

Fixed in:2.4+20151223.gitfa8646d-1ubuntu0.1USN-3283-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.92%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Exploit1

talosintelligence.com

Third-Party Advisory1

securityfocus.com

Other references1

debian.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.