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CVE-2021-36981

30
FAUCET Score

CVE-2021-36981 is a critical vulnerability affecting SerNet verinice versions prior to 1.22.2, stemming from insecure Java deserialization. This flaw allows remote, authenticated attackers to execute arbitrary code on the server. With a CVSS score of 8.8 (HIGH), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its high FAUCET Risk Score of 90/100 and EPSS percentile suggest a notable potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.22.2CPE matchmatch criteria
cpe:2.3:a:sernet:verinice:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.05%
Probability of exploitation in next 30 days
EPSS Percentile
92.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0605 is in the 92nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / 0xBrAinsTorM/CVE-2021-36981
ExploitIssue Tracking
github.com / SerNet/verinice/compare/1.22.1...1.22.2
Patch
verinice.com / en/support/security-advisory
PatchVendor Advisory
secianus.de / worum-geht-es/aktuelle-meldung/cve-2021-36981-verinicepro-unsafe-java-deserialization
ExploitThird Party Advisory