Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-42797

22
FAUCET Score

CVE-2021-42797 is a path traversal vulnerability affecting AVEVA Edge (formerly InduSoft Web Studio) versions R2020 and earlier. This flaw allows an unauthenticated attacker to steal the Windows access token of the user account configured for external database access. With a CVSS score of 7.5 (HIGH), it presents a significant risk due to its network-based attack vector and low complexity, potentially leading to unauthorized access to sensitive data. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 2020CPE matchmatch criteria
cpe:2.3:a:aveva:edge:*:*:*:*:*:*:*:*
2020CPE matchmatch criteria
cpe:2.3:a:aveva:edge:2020:-:*:*:*:*:*:*
2020CPE matchmatch criteria
cpe:2.3:a:aveva:edge:2020:r2:-:*:*:*:*:*
2020CPE matchmatch criteria
cpe:2.3:a:aveva:edge:2020:r2:sp1:*:*:*:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 35th percentile among its peer group of 51,551 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

aveva.com / en/products/edge
Product
cisa.gov / news-events/ics-advisories/icsa-22-326-01
Third Party AdvisoryUS Government Resource