VulnerabilityModified
CVE-2021-44429
Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a TFTP read (RRQ) request, aka opcode 1, a related issue to CVE-2013-0145.
HIGH 7.5EPSS 1.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Serva 4.4.0 allows remote attackers to cause a denial of service (daemon crash) via a TFTP read (RRQ) request, aka opcode 1, a related issue to CVE-2013-0145.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.86% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- vercot/serva
- Source
- cve@mitre.org
References
- https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.