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Fencer Intel
critical 9.8

CVE-2021-27132 in the critical feed json

SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Dispos…

published 5y ago modified 4mo ago also EUVD-2021-13899

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.5%
EPSS 16.5% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known, plus a Nuclei check

Summary

SerComm AG Combo VD625 AGSOT_2.1.0 devices allow CRLF injection (for HTTP header injection) in the download function via the Content-Disposition header.

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Exploit prediction

16.49% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Sercomm VD625 Smart Modems - CRLF Injection nuclei detection template
  • cybertuz.com https://cybertuz.com/blog/post/crlf-injection-CVE-2021-27132 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

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.