CVE-2020-25846: The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads

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HIGH 7.5REMOTEDOWNGRADE

CVE-2020-25846 is a high-severity flaw (CVSS 7.5) affecting nhiservisignadapter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-601
Published	2020-12-31
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: panorama project

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

Am I affected?

Timeline

2020-12-31 08:15 UTCPublished CVE record published
2026-06-17 03:07 UTCUpdated Record last modified

panorama project nhiservisignadapter DOWNGRADE

Affected: 1.0.20.0218

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.20.0218

1. Check installed version

apt-cache policy nhiservisignadapter || rpm -q nhiservisignadapter || nhiservisignadapter --version

2. No fixed release: DOWNGRADE to a release before 1.0.20.0218 (Debian / Ubuntu)

apt-cache madison nhiservisignadapter sudo apt install nhiservisignadapter=<VERSION_BEFORE_1.0.20.0218> sudo apt-mark hold nhiservisignadapter

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

dnf --showduplicates list nhiservisignadapter sudo dnf downgrade nhiservisignadapter-<VERSION_BEFORE_1.0.20.0218> sudo dnf versionlock add nhiservisignadapter

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-2020-25846?

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

Is CVE-2020-25846 being exploited?

CVE-2020-25846 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-2020-25846 affect?

CVE-2020-25846 affects nhiservisignadapter. Severity is high (CVSS 7.5). The digest generation function of NHIServiSignAdapter has not been verified for source file path, which leads to the SMB request being redirected to a malicious host, resulting in the leakage of user's credential.

How urgent is CVE-2020-25846?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-25845 HIGH 7.5 DOWNGRADE Multiple functions of NHIServiSignAdapter failed to verify the users’ file path, which leads to the SMB reques
CVE-2020-25844 HIGH 8.1 DOWNGRADE The digest generation function of NHIServiSignAdapter has not been verified for parameter’s length, which lead
CVE-2020-25843 HIGH 8.1 DOWNGRADE NHIServiSignAdapter fails to verify the length of digital credential files’ path which leads to a heap overflo
CVE-2020-25842 HIGH 7.5 DOWNGRADE The encryption function of NHIServiSignAdapter fail to verify the file path input by users

References

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