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CVE-2021-27132

51
FAUCET Score

CVE-2021-27132 is a critical CRLF injection vulnerability affecting SerComm AG Combo VD625 devices, specifically in the download function's handling of the Content-Disposition header. With a CVSS score of 9.8, it allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability over the network with low attack complexity. While not currently listed on CISA's KEV or observed in active exploitation, a Nuclei template exists, and its high EPSS score suggests a significant likelihood of future exploitation. Community discussion and media coverage for this vulnerability are currently minimal.

Impacted Technologies

VendorProductVersion(s)CPE
agsot_2.1.0CPE matchmatch criteria
cpe:2.3:o:sercomm:agcombo_vd625_firmware:agsot_2.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
16.06%
Probability of exploitation in next 30 days
EPSS Percentile
96.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-27132 · Mar 1, 2021
This CVE's current EPSS score of 0.1606 is in the 93rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cybertuz.com / blog/post/crlf-injection-CVE-2021-27132
ExploitThird Party Advisory