CVE-2016-7845: GigaCC OFFICE ver.2.3 and earlier allows remote attackers to upload arbitrary files as a user profile image, w

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MEDIUM 6.5REMOTEDOWNGRADE

CVE-2016-7845 is a medium-severity flaw (CVSS 6.5) affecting gigacc office. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GigaCC OFFICE ver.2.3 and earlier allows remote attackers to upload arbitrary files as a user profile image, which may be exploited for unauthorized file sharing.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-264
Published	2017-08-02
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: gigaccsecure

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

Am I affected?

Timeline

2017-08-02 16:29 UTCPublished CVE record published
2026-06-17 00:53 UTCUpdated Record last modified

gigaccsecure gigacc office DOWNGRADE

Affected: 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison gigacc-office sudo apt install gigacc-office=<VERSION_BEFORE_2.3> sudo apt-mark hold gigacc-office

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

dnf --showduplicates list gigacc-office sudo dnf downgrade gigacc-office-<VERSION_BEFORE_2.3> sudo dnf versionlock add gigacc-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-2016-7845?

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

Is CVE-2016-7845 being exploited?

CVE-2016-7845 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-2016-7845 affect?

CVE-2016-7845 affects gigacc office. Severity is medium (CVSS 6.5). GigaCC OFFICE ver.2.3 and earlier allows remote attackers to upload arbitrary files as a user profile image, which may be exploited for unauthorized file sharing.

How urgent is CVE-2016-7845?

Priority 46/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2016-7844 MEDIUM 5.5 UPGRADE GigaCC OFFICE ver.2.3 and earlier allows remote attackers to execute arbitrary OS commands via specially craft

References

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