Is CVE-2023-23849 in the CISA KEV catalog?

No. CVE-2023-23849 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23849?

CVE-2023-23849 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2023-23849?

CVE-2023-23849 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23849?

Upgrade coverity to 2022.12.0 or later.

CVE & CISA-KEV Catalog

CVE-2023-23849

MEDIUM

6.1

CVSS v3

NVD

Description

Versions of Coverity Connect prior to 2022.12.0 are vulnerable to an unauthenticated Cross-Site Scripting vulnerability. Any web service hosted on the same sub domain can set a cookie for the whole subdomain which can be used to bypass other mitigations in place for malicious purposes. CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/RL:O/RC:C

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

coverityNVD

Affected:< 2022.12.0Fixed in:2022.12.0CVE-2023-23849derived 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 InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1

community.synopsys.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	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 2025-03-25.