Is CVE-2021-4241 in the CISA KEV catalog?

No. CVE-2021-4241 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4241?

CVE-2021-4241 has a CVSS v3 base score of 2.6 (LOW).

What is the EPSS score for CVE-2021-4241?

CVE-2021-4241 has an EPSS score of 0.77% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-4241?

No published fix for CVE-2021-4241 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-4241

LOW

2.6

CVSS v3

NVD

Description

A vulnerability, which was classified as problematic, was found in phpservermon. Affected is the function setUserLoggedIn of the file src/psm/Service/User.php. The manipulation leads to use of predictable algorithm in random number generator. The exploit has been disclosed to the public and may be used. The name of the patch is bb10a5f3c68527c58073258cb12446782d223bc3. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-213744.

CWE-331 CWE-330

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.77%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Patch2

Third-Party Advisory1

vuldb.com

Related Vulnerabilities

Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2008-1447	Medium	6.8	95%	-	Fix
CVE-2018-18326	High	7.5	54%	-	-
CVE-2018-15812	High	7.5	47%	-	-
CVE-2023-38357	Medium	5.3	5.3%	-	Fix
CVE-2015-3405	High	7.5	5.3%	-	Fix
CVE-2008-2108	Critical	9.8	4.3%	-	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.