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CVE-2020-35845

23
FAUCET Score

CVE-2020-35845 describes an out-of-bounds write vulnerability in FastStone Image Viewer 7.5, triggered by processing a specially crafted image file. This high-severity flaw (CVSS 7.8) requires user interaction to open the malicious file and could lead to high impacts on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability remains a potential risk for users of the affected software.

Impacted Technologies

VendorProductVersion(s)CPE
7.5CPE matchmatch criteria
cpe:2.3:a:faststone:image_viewer:7.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 52nd percentile among its peer group of 11,616 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / DmitryMeD/pentesting/blob/main/FastStone%20Image%20Viewer%207.5.md
ExploitThird Party Advisory
twitter.com / DmitriyMelikov
Third Party Advisory