PatchTheCEVCVE-2023-30899: A vulnerability has been identified in Siveillance Video 2020 R2 (All versions < V20.2 HotfixRev14), Siveillan
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CRITICAL 9.9DOWNGRADE
CVE-2023-30899 is a critical-severity flaw (CVSS 9.9) affecting siveillance video. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability has been identified in Siveillance Video 2020 R2 (All versions < V20.2 HotfixRev14), Siveillance Video 2020 R3 (All versions < V20.3 HotfixRev12), Siveillance Video 2021 R1 (All versions < V21.1 HotfixRev12), Siveillance Video 2021 R2 (All versions < V21.2 HotfixRev8), Siveillance Video 2022 R1 (All versions < V22.1 HotfixRev7), Siveillance Video 2022 R2 (All versions < V22.2 HotfixRev5), Siveillance Video 2022 R3 (All versions <
Why this priority
- Critical severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.9 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.1% (top 34%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2023-05-09 |
| Last modified | 2026-10-23 |
Publisher (CNA): Siemens AG · Vendor: siemens
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
siemens siveillance video DOWNGRADE
Affected: 2020 r2 · 2020 r3 · 2021 r1 · 2021 r2 · 2022 r1 · 2022 r2 · 2022 r3 · 2023 r1
Fixed in: no fixed release known
Safe to downgrade to: a release before 2020
1. Check installed version
apt-cache policy siveillance-video || rpm -q siveillance-video || siveillance-video --version
2. No fixed release: DOWNGRADE to a release before 2020 (Debian / Ubuntu)
apt-cache madison siveillance-video
sudo apt install siveillance-video=<VERSION_BEFORE_2020>
sudo apt-mark hold siveillance-video
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list siveillance-video
sudo dnf downgrade siveillance-video-<VERSION_BEFORE_2020>
sudo dnf versionlock add siveillance-video
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.
Exact fixes by distribution
A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · python-openslide · FIXED · 1.4.7-1.fc46 · FEDORA-2026-336bea884e · source
sudo dnf upgrade --advisory=FEDORA-2026-336bea884e
Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source
sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15
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.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.