Is CVE-2022-31134 in the CISA KEV catalog?

No. CVE-2022-31134 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-31134?

CVE-2022-31134 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2022-31134?

CVE-2022-31134 has an EPSS score of 0.74% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-31134?

Upgrade zulip server to 5.4 or later.

CVE & CISA-KEV Catalog

CVE-2022-31134

MEDIUM

4.9

CVSS v3

NVD

Description

Zulip is an open-source team collaboration tool. Zulip Server versions 2.1.0 above have a user interface tool, accessible only to server owners and server administrators, which provides a way to download a "public data" export. While this export is only accessible to administrators, in many configurations server administrators are not expected to have access to private messages and private streams. However, the "public data" export which administrators could generate contained the attachment contents for all attachments, even those from private messages and streams. Zulip Server version 5.4 contains a patch for this issue.

CWE-200Information Exposure CWE-434Unrestricted File Upload

How to fix

Remediation Available

zulip serverNVD

Affected:>= 2.1.0, < 5.4Fixed in:5.4CVE-2022-31134derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.74%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	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.