Is CVE-2022-26499 in the CISA KEV catalog?

No. CVE-2022-26499 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26499?

CVE-2022-26499 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2022-26499?

CVE-2022-26499 has an EPSS score of 7.68% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26499?

Upgrade asterisk on debian 11 to 1:16.28.0~dfsg-0+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2022-26499

CRITICALEPSS 94th pctl

9.1

CVSS v3

NVD

Description

An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

asteriskDebian

Fixed in:1:16.28.0~dfsg-0+deb11u1CVE-2022-26499

Fixed in:1:18.11.2~dfsg+~cs6.10.40431413-1CVE-2022-26499

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

AvailabilityNone

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

Exploit Intelligence

7.68%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch2

Vendor Advisory1

downloads.asterisk.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

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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.