Vulnerability in N/a

CVE-2021-47157

The Kossy module before 0.60 for Perl allows JSON hijacking because of X-Requested-With mishandling.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-47157: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-47157?
CVE-2021-47157 is a critical-severity vulnerability in N/a, classified under Origin Validation Error. CVSS score: 9.8/10. Published 2024-03-18.
How severe is CVE-2021-47157?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-47157 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.