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CVE-2022-20822

27
FAUCET Score

CVE-2022-20822 is a critical vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) that allows an authenticated, remote attacker to read and delete arbitrary files due to insufficient input validation. This vulnerability has a CVSS score of 8.1 (High), indicating a low attack complexity and high impact on confidentiality and integrity, as an attacker could access or remove files beyond their authorized administrative level. While Cisco plans to release software updates, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog. Community discussion and media coverage are minimal, suggesting limited public awareness or active exploitation at this time.

Impacted Technologies

VendorProductVersion(s)CPE
3.1CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1:-:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1:patch1:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.1:patch3:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:cisco:identity_services_engine:3.2:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.24%
Probability of exploitation in next 30 days
EPSS Percentile
66.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0124 is in the 63rd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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-ise-path-trav-Dz5dpzyM
Vendor Advisory
yoroi.company / en/research/cve-advisory-full-disclosure-cisco-ise-path-traversal