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CVE-2021-41497

24
FAUCET Score

CVE-2021-41497 is a null pointer reference vulnerability in RaRe-Technologies bounter versions 1.01 and 1.10. An unauthenticated attacker can exploit this flaw remotely by providing a large hash bucket width, leading to a Denial of Service (DoS) condition. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.01CPE matchmatch criteria
cpe:2.3:a:rare-technologies:bounter:1.01:*:*:*:*:*:*:*
1.10CPE matchmatch criteria
cpe:2.3:a:rare-technologies:bounter:1.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 37th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-74xw-gwfm-7pv7high

bounter Null pointer reference

Dec 18, 2021

References

github.com / RaRe-Technologies/bounter/issues/47
ExploitIssue TrackingThird Party Advisory