CVE-2022-27255
high-risk
Published 2022-08-01
In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data.
Do I need to act?
!
15.2% chance of exploitation in next 30 days
EPSS score — higher than 85% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (2)
Affected Vendors
References (4)
Third Party Advisory
https://forum.defcon.org/node/241835
Third Party Advisory
https://forum.defcon.org/node/241835
52
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
13/34 · Low
Exposure
7/34 · Low