CVE-2025-40755: A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP1)

Q: How do I fix CVE-2025-40755?

sinec nms: upgrade to 4.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-40755 being exploited?

CVE-2025-40755 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-40755 affect?

CVE-2025-40755 affects sinec nms. Severity is high (CVSS 8.8). A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP1). Affected applications are vulnerable to SQL injection through getTotalAndFilterCounts endpoint. An authenticated low privileged attacker could exploit to insert dat

Routine

HIGH 8.8UPGRADE

CVE-2025-40755 is a high-severity flaw (CVSS 8.8) affecting sinec nms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP1). Affected applications are vulnerable to SQL injection through getTotalAndFilterCounts endpoint. An authenticated low privileged attacker could exploit to insert data and achieve privilege escalation. (ZDI-CAN-26570)

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-10-14
Last modified	2026-10-08

Publisher (CNA): Siemens AG · Vendor: siemens

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-14 10:15 UTCPublished CVE record published
2026-10-08 12:10 UTCUpdated Record last modified

siemens sinec nms UPGRADE

Affected: < 4.0 · 4.0

Fixed in: 4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sinec-nms || rpm -q sinec-nms || sinec-nms --version

2. UPGRADE to 4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sinec-nms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sinec-nms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-40755?

sinec nms: upgrade to 4.0. Exact commands for each OS are on this page.

Is CVE-2025-40755 being exploited?

CVE-2025-40755 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-2025-40755 affect?

CVE-2025-40755 affects sinec nms. Severity is high (CVSS 8.8). A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP1). Affected applications are vulnerable to SQL injection through getTotalAndFilterCounts endpoint. An authenticated low privileged attacker could exploit to insert dat

How urgent is CVE-2025-40755?

Priority 39/100. High severity

Software pages

Siemens vulnerabilities

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References

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