CVSS v3
7.5
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Null pointer reference in CMS_Conservative_increment_obj in RaRe-Technologies bounter version 1.01 and 1.10, allows attackers to conduct Denial of Service attacks by inputting a huge width of hash bucket.
Technical details
- Published
- 2021-12-17
Frequently asked questions
What is CVE-2021-41497?
Null pointer reference in CMS_Conservative_increment_obj in RaRe-Technologies bounter version 1.01 and 1.10, allows attackers to conduct Denial of Service attacks by inputting a huge width of hash bucket.
Is CVE-2021-41497 actively exploited?
Active exploitation of CVE-2021-41497 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-41497?
CVE-2021-41497 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-41497 affecting your environment?
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