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CVE-2020-3530

27
FAUCET Score

CVE-2020-3530 is a vulnerability in Cisco IOS XR Software that allows an authenticated, local attacker to execute a command requiring administrative privileges, even with only read permissions. This is due to incorrect task group assignment mapping in the source code. The vulnerability has a CVSS score of 8.4 (HIGH), indicating a local attack vector with low complexity, potentially leading to high impact on integrity and availability, including device restarts. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.1.2CPE matchmatch criteria
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 56th percentile among its peer group of 17,061 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

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

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cli-privescl-sDVEmhqv
Vendor Advisory