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CVE-2023-31274

17
FAUCET Score

CVE-2023-31274 is a vulnerability affecting AVEVA PI Server versions 2023 and 2018 SP3 P05 and earlier, allowing an unauthenticated attacker to cause a partial denial-of-service by consuming memory in the PI Message Subsystem. Rated Medium severity with a CVSS score of 5.3, this vulnerability is easily exploitable over the network with low attack complexity, potentially throttling new PI Data Archive events. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2018CPE matchmatch criteria
cpe:2.3:a:aveva:pi_server:*:*:*:*:*:*:*:*
2018CPE matchmatch criteria
cpe:2.3:a:aveva:pi_server:2018:-:*:*:*:*:*:*
2018CPE matchmatch criteria
cpe:2.3:a:aveva:pi_server:2018:sp3_patch_5:*:*:*:*:*:*
2023CPE matchmatch criteria
cpe:2.3:a:aveva:pi_server:2023:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 25th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / news-events/ics-advisories/icsa-24-018-01
MitigationThird Party AdvisoryUS Government Resource