Is CVE-2022-0217 in the CISA KEV catalog?

No. CVE-2022-0217 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-0217?

CVE-2022-0217 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-0217?

CVE-2022-0217 has an EPSS score of 4.56% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-0217?

Upgrade prosody on debian 11 to 0.11.9-2+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2022-0217

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

It was discovered that an internal Prosody library to load XML based on libexpat does not properly restrict the XML features allowed in parsed XML data. Given suitable attacker input, this results in expansion of recursive entity references from DTDs (CWE-776). In addition, depending on the libexpat version used, it may also allow injections using XML External Entity References (CWE-611).

CWE-776 CWE-611XML External Entity (XXE)

How to fix

Remediation Available

prosodyDebian

Fixed in:0.11.9-2+deb11u1CVE-2022-0217

Fixed in:0.11.12-1CVE-2022-0217

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.56%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Patch2

Third-Party Advisory1

bugzilla.redhat.com

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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.