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CVE-2020-35736

41
FAUCET Score

CVE-2020-35736 describes a directory traversal vulnerability in GateOne version 1.1, allowing unauthenticated attackers to download arbitrary files due to improper use of os.path.join. This vulnerability carries a high CVSS score of 7.5, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality without requiring user interaction. While not currently on the KEV catalog or actively exploited, exploit intelligence shows available Nuclei templates, and its high FAUCET Risk Score and EPSS percentile suggest a significant potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
1.1CPE matchmatch criteria
cpe:2.3:a:liftoffsoftware:gateone:1.1:*:*:*:*:*:*:*

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
15.40%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-35736 · May 27, 2021
This CVE's current EPSS score of 0.1540 is in the 95th percentile among its peer group of 51,506 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

github.com / liftoff/GateOne/issues/747
ExploitThird Party Advisory
rmb122.com / 2019/08/28/Ogeek-Easy-Realworld-Challenge-1-2-Writeup
ExploitThird Party Advisory