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Fencer Intel
high 8.8

CVE-2021-33356 json

Multiple privilege escalation vulnerabilities in RaspAP 1.5 to 2.6.5 could allow an authenticated remote attacker to inject arbitrary comma…

published 5y ago modified 4mo ago also EUVD-2021-20063

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Multiple privilege escalation vulnerabilities in RaspAP 1.5 to 2.6.5 could allow an authenticated remote attacker to inject arbitrary commands to /installers/common.sh component that can result in remote command execution with root privileges.

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Exploit prediction

5.35% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/RaspAP/raspap-webgui/blob/5a7b77459839c9420fac0d10ec28cee1af9bb782/installers/common.sh#L216 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/RaspAP/raspap-webgui/blob/5a7b77459839c9420fac0d10ec28cee1af9bb782/installers/common.sh#L231 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/RaspAP/raspap-webgui/blob/5a7b77459839c9420fac0d10ec28cee1af9bb782/installers/common.sh#L314 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/RaspAP/raspap-webgui/blob/5a7b77459839c9420fac0d10ec28cee1af9bb782/installers/common.sh#L407 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/RaspAP/raspap-webgui/blob/5a7b77459839c9420fac0d10ec28cee1af9bb782/installers/common.sh#L510 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Intel 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.