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CVE-2020-8541

22
FAUCET Score

CVE-2020-8541 describes an XML External Entity (XXE) vulnerability affecting OX App Suite through version 7.10.3. This medium-severity flaw (CVSS 6.5) allows an authenticated attacker to achieve high confidentiality impact by exploiting improper XML parsing, requiring no user interaction. While the vulnerability has a low EPSS score and no known public exploits or active exploitation, its presence in a widely used product warrants attention. Community discussion and media coverage are minimal, indicating a lack of widespread awareness.

Impacted Technologies

VendorProductVersion(s)CPE
7.10.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.1:*:*:*:*:*:*:*
7.10.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.1:rev1:*:*:*:*:*:*
7.10.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.1:rev2:*:*:*:*:*:*
7.10.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.1:rev3:*:*:*:*:*:*
7.10.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.10.1:rev4:*:*:*:*:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 74th percentile among its peer group of 21,974 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

packetstormsecurity.com / files/158070/OX-App-Suite-OX-Documents-7.10.3-XSS-SSRF-Improper-Validation.html
Third Party AdvisoryVDB Entry
open-xchange.com
Product