CVE-2020-25490: Lack of cryptographic signature verification in the Sqreen PHP agent daemon before 1.16.0 makes it easier for
CVE-2020-25490 is a high-severity flaw (CVSS 7.3) affecting php microagent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Lack of cryptographic signature verification in the Sqreen PHP agent daemon before 1.16.0 makes it easier for remote attackers to inject rules for execution inside the virtual machine.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.3 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 33%) |
| CISA exploited list | No |
| Weakness | CWE-347 |
| Published | 2020-09-17 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2020-25490?
php microagent: upgrade to 1.16.0. Exact commands for each OS are on this page.
Is CVE-2020-25490 being exploited?
CVE-2020-25490 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-2020-25490 affect?
CVE-2020-25490 affects php microagent. Severity is high (CVSS 7.3). Lack of cryptographic signature verification in the Sqreen PHP agent daemon before 1.16.0 makes it easier for remote attackers to inject rules for execution inside the virtual machine.
How urgent is CVE-2020-25490?
Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action