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Fencer Vulns
medium 4.3

CVE-2023-30534 json

Insecure Deserialization in Cacti

published 2023-09-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34927

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known, plus a Nuclei check

Summary

Cacti is an open source operational monitoring and fault management framework. There are two instances of insecure deserialization in Cacti version 1.2.24. While a viable gadget chain exists in Cacti’s vendor directory (phpseclib), the necessary gadgets are not included, making them inaccessible and the insecure deserializations not exploitable. Each instance of insecure deserialization is due to using the unserialize function without sanitizing the user input. Cacti has a “safe” deserialization that attempts to sanitize the content and check for specific values before calling unserialize, but it isn’t used in these instances. The vulnerable code lies in graphs_new.php, specifically within the host_new_graphs_save function. This issue has been addressed in version 1.2.25. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Patch / fix

  • Cacti cacti 1.2.25
  • cacti Debian 14, Debian 13 1.2.25+ds1-1

debian advisories DEBIAN-CVE-2023-30534

  • cacti openSUSE Tumbleweed 1.2.25-2.1
  • cacti-spine Package Hub 15 SP5, Package Hub 15 SP4, Package Hub 12 +2 more 1.2.25-bp155.2.3.1
  • cacti Package Hub 15 SP5, Package Hub 15 SP4, Package Hub 12 +2 more 1.2.25-bp155.2.3.1

opensuse advisories openSUSE-SU-2024:13203-1openSUSE-SU-2023:0275-1

  • cacti Alpine 3.18 1.2.26-r0
  • cacti Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 1.2.25-r0

alpine advisories ALPINE-CVE-2023-30534

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-30534 updated cvss 4.3

cacti: Insecure deserialization of filter data

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.87% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Cacti < 1.2.25 Insecure Deserialization nuclei detection template
  • github.com https://github.com/Cacti/cacti/security/advisories/GHSA-77rf-774j-6h3p referenced PoC, tagged "exploit" by a source, unverified
  • fastly.com https://www.fastly.com/blog/cve-2023-30534-insecure-deserialization-in-cacti-prior-to-1-2-25 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Cacti cacti

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns 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.