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Fencer Vulns
critical 9.8

CVE-2022-45132 json

In Linaro Automated Validation Architecture (LAVA) before 2022.11.1, remote code execution can be achieved through user-submitted Jinja2 te…

published 2022-11-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48049

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

In Linaro Automated Validation Architecture (LAVA) before 2022.11.1, remote code execution can be achieved through user-submitted Jinja2 template. The REST API endpoint for validating device configuration files in lava-server loads input as a Jinja2 template in a way that can be used to trigger remote code execution in the LAVA server.

Patch / fix

  • linaro lava 2022.11.1
  • lava Debian 14, Debian 12 2023.01-1

debian advisories DEBIAN-CVE-2022-45132

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

2.09% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • podalirius.net https://podalirius.net/en/articles/python-vulnerabilities-code-execution-in-jinja-templates/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.