CVE-2023-2765: A vulnerability has been found in Weaver OA up to 9.5 and classified as problematic

This month

MEDIUM 4.3DOWNGRADE

CVE-2023-2765 is a medium-severity flaw (CVSS 4.3) affecting e-office. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in Weaver OA up to 9.5 and classified as problematic. This vulnerability affects unknown code of the file /E-mobile/App/System/File/downfile.php. The manipulation of the argument url leads to absolute path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-229270 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early abou

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-36
Published	2023-05-17
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: weaver

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-17 17:15 UTCPublished CVE record published
2026-06-17 05:53 UTCUpdated Record last modified

weaver e-office DOWNGRADE

Affected: 9.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.5

1. Check installed version

apt-cache policy e-office || rpm -q e-office || e-office --version

2. No fixed release: DOWNGRADE to a release before 9.5 (Debian / Ubuntu)

apt-cache madison e-office sudo apt install e-office=<VERSION_BEFORE_9.5> sudo apt-mark hold e-office

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list e-office sudo dnf downgrade e-office-<VERSION_BEFORE_9.5> sudo dnf versionlock add e-office

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2765?

e-office: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-2765 being exploited?

CVE-2023-2765 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2765 affect?

CVE-2023-2765 affects e-office. Severity is medium (CVSS 4.3). A vulnerability has been found in Weaver OA up to 9.5 and classified as problematic. This vulnerability affects unknown code of the file /E-mobile/App/System/File/downfile.php. The manipulation of the argument url leads to absolute path tra

How urgent is CVE-2023-2765?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-3227 MEDIUM 4.7 UPGRADE A vulnerability was found in Panwei eoffice OA up to 9.5
CVE-2023-34798 CRITICAL 9.8 UPGRADE An arbitrary file upload vulnerability in eoffice before v9.5 allows attackers to execute arbitrary code via u
CVE-2023-2766 MEDIUM 5.3 DOWNGRADE A vulnerability was found in Weaver OA 9.5 and classified as problematic
CVE-2023-2648 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Weaver E-Office 9.5
CVE-2023-2647 MEDIUM 6.3 DOWNGRADE A vulnerability was found in Weaver E-Office 9.5 and classified as critical

References

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