What is CVE-2021-47156?

CVE-2021-47156 is a medium-severity vulnerability in N/a, classified under CWE-1287. CVSS score: 6.5/10. Published 2024-03-18.

How severe is CVE-2021-47156?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-47156 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in N/a

CVE-2021-47156

The Net::IPAddress::Util module before 5.000 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-1287

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2021-47156?: CVE-2021-47156 is a medium-severity vulnerability in N/a, classified under CWE-1287. CVSS score: 6.5/10. Published 2024-03-18.
How severe is CVE-2021-47156?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-47156 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.