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CVE-2021-35237

18
FAUCET Score

CVE-2021-35237 is a clickjacking vulnerability in Kiwi Syslog Server caused by a missing X-Frame-Options HTTP header. This allows attackers to embed the server's interface within a transparent iframe, tricking users into unintended actions. Rated Medium (CVSS 4.3), the attack requires user interaction but has low attack complexity, potentially leading to information integrity loss. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.7.2CPE matchmatch criteria
cpe:2.3:a:solarwinds:kiwi_syslog_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
56.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 69th percentile among its peer group of 26,234 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

documentation.solarwinds.com / en/success_center/kss/content/release_notes/kss_9-8_release_notes.htm
Release NotesVendor Advisory
solarwinds.com / trust-center/security-advisories/cve-2021-35237
Vendor Advisory