Is CVE-2021-42671 in the CISA KEV catalog?

No. CVE-2021-42671 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42671?

CVE-2021-42671 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-42671?

CVE-2021-42671 has an EPSS score of 19.68% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-42671

HIGHEPSS 97th pctl

7.5

CVSS v3

NVD

Description

An incorrect access control vulnerability exists in Sourcecodester Engineers Online Portal in PHP in nia_munoz_monitoring_system/admin/uploads. An attacker can leverage this vulnerability in order to bypass access controls and access all the files uploaded to the web server without the need of authentication or authorization.

CWE-425

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

19.68%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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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.