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CVE-2021-1257

27
FAUCET Score

CVE-2021-1257 is a Cross-Site Request Forgery (CSRF) vulnerability in the web-based management interface of Cisco DNA Center Software, affecting Cisco products. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated, remote attacker to trick an authenticated user into executing malicious actions, such as modifying device configurations or running commands, due to insufficient CSRF protections. While no active exploitation, public exploit code, or significant community discussion has been observed, the potential impact is severe, granting attackers the privileges of the compromised user.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:catalyst_center:*:*:*:*:*:*:*:*
< 5.7.6CPE matchmatch criteria
cpe:2.3:a:mcafee:agent:*:*:*:*:*:linux:*:*
< 5.7.6CPE matchmatch criteria
cpe:2.3:a:mcafee:agent:*:*:*:*:*:macos:*:*
< 5.7.6CPE matchmatch criteria
cpe:2.3:a:mcafee:agent:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 56th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

kc.mcafee.com / corporate/index
Third Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-csrf-dC83cMcV
Vendor Advisory