Is CVE-2022-26498 in the CISA KEV catalog?

No. CVE-2022-26498 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26498?

CVE-2022-26498 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-26498?

CVE-2022-26498 has an EPSS score of 15.43% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2022-26498

HIGHEPSS 96th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files that are not certificates. These files could be much larger than what one would expect to download, leading to Resource Exhaustion. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

CWE-400Resource Exhaustion

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

15.43%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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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.