CVE-2023-6654 json
PHPEMS Session Data session.cls.php deserialization
published 2023-12-10 2 y ago modified 2026-06-17 4 mo ago also GHSA-5rv2-vvmf-f7w8 , EUVD-2023-3118
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
A vulnerability classified as critical was found in PHPEMS 6.x/7.x/8.x/9.0. Affected by this vulnerability is an unknown functionality in the library lib/session.cls.php of the component Session Data Handler. The manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247357 was assigned to this vulnerability.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- note.zhaoj.in https://note.zhaoj.in/share/jw4Hp9cq7T69 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| CNA | 3.0 | 6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | phpems/phpems | >=6.0.0, <=6.1.3 |
no fix listed |
Affected products
- n/a PHPEMS
- phpems phpems
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
note.zhaoj.in
/share/jw4Hp9cq7T69
broken-link, exploit, web, permissions-required
-
vuldb.com
/?id.247357
vdb-entry, technical-description, web, permissions-required, third-party-advisory
-
vuldb.com
/?ctiid.247357
signature, permissions-required, web, third-party-advisory, vdb-entry
-
nvd.nist.gov
/vuln/detail/CVE-2023-6654
advisory
-
github.com
/oiuv/phpems
package
-
github.com
/oiuv/phpems/blob/a4a049362a0250c4b1762464b34d90ed881fef19/lib/session.cls.php
web
Sources
- CVE List CVE-2023-6654
- GitHub Advisory GHSA-5rv2-vvmf-f7w8
- NVD CVE-2023-6654
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