Is CVE-2021-36513 in the CISA KEV catalog?

No. CVE-2021-36513 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36513?

CVE-2021-36513 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-36513?

CVE-2021-36513 has an EPSS score of 1.81% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36513?

Upgrade freeswitch to 1.10.6 or later.

CVE & CISA-KEV Catalog

CVE-2021-36513

HIGHEPSS 76th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in function sofia_handle_sip_i_notify in sofia.c in SignalWire freeswitch before 1.10.6, may allow attackers to view sensitive information due to an uninitialized value.

CWE-909

How to fix

Remediation Available

freeswitchNVD

Affected:< 1.10.6Fixed in:1.10.6CVE-2021-36513derived from NVD

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.81%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

Embed a live status badge for CVE-2021-36513

Markdown

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HTML

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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 2024-11-21.