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CVE-2021-26597

21
FAUCET Score

CVE-2021-26597 describes an arbitrary file upload vulnerability in Nokia NetAct 18A. An authenticated remote user can exploit this by leveraging the Site Configuration Tool's /netact/sct dir parameter with the operation=upload value to upload malicious files. Rated 6.5 MEDIUM, the vulnerability has a low attack complexity and requires authentication, but could lead to high integrity impact. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
18aCPE matchmatch criteria
cpe:2.3:a:nokia:netact:18a:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.44%
Probability of exploitation in next 30 days
EPSS Percentile
70.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0144 is in the 84th percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

gruppotim.it / redteam
ExploitThird Party Advisory
trusted-introducer.org / directory/teams/nokia-psirt.html
Third Party Advisory