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CVE-2021-27005

24
FAUCET Score

CVE-2021-27005 is a vulnerability in NetApp Clustered Data ONTAP versions 9.6 and higher, affecting the httpd server. A remote attacker can exploit this with low attack complexity to cause a denial of service (server crash), resulting in high impact to availability. While rated with a CVSS score of 7.5 (HIGH), there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.0, < 9.7CPE matchmatch criteria
cpe:2.3:a:netapp:ontap_system_manager:*:*:*:*:*:*:*:*
9.7CPE matchmatch criteria
cpe:2.3:a:netapp:ontap_system_manager:9.7:-:*:*:*:*:*:*
9.8CPE matchmatch criteria
cpe:2.3:a:netapp:ontap_system_manager:9.8:-:*:*:*:*:*:*
9.9.12CPE matchmatch criteria
cpe:2.3:a:netapp:ontap_system_manager:9.9.12:-:*:*:*:*:*:*

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
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 45th percentile among its peer group of 51,485 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

Remediation records are not available for this CVE.

References

security.netapp.com / advisory/NTAP-20211029-0002
PatchVendor Advisory