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CVE-2023-26435

17
FAUCET Score

CVE-2023-26435 is a medium-severity vulnerability affecting Open-Xchange AppSuite Backend, allowing attackers to discover network topology and read local files via manipulated ODT documents. The attack requires low privileges and no user interaction, but is limited to specific file types like images. There are no known public exploits, Metasploit modules, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.10.6CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:*:*:*:*:*:*:*:*
7.10.6CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:7.10.6:*:*:*:*:*:*:*
7.10.6CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite_backend:7.10.6:revision_39:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 63rd 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

packetstormsecurity.com / files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html
Third Party AdvisoryVDB Entry
documentation.open-xchange.com / appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json
seclists.org / fulldisclosure/2023/Jun/8
Mailing ListThird Party Advisory
software.open-xchange.com / products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf
Release Notes