How severe is CVE-2023-48363?

CVE-2023-48363 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-48363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48363?

CVE-2023-48363 primarily affects Siemens Openpcs 7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-48363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-48363 have an EU (EUVD) identifier?

Yes. CVE-2023-48363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52417.

When was CVE-2023-48363 published?

CVE-2023-48363 was published on 2024-02-13 and last updated on 2026-06-17.

CVE-2023-48363

CVE-2023-48363 is a medium-severity vulnerability in Siemens Openpcs 7 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-52417
Weakness: CWE-476
Affected product: Siemens Openpcs 7
Published: 2024-02-13
Last modified: 2026-06-17

Description

A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain unorganized RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.

Frequently asked questions

What is CVE-2023-48363?: A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions < V9.1 SP2 UC05), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC Route Control V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 Update 4). The implementation of the RPC (Remote Procedure call) communication protocol in the affected products do not properly handle certain unorganized RPC messages. An attacker could use this vulnerability to cause a denial of service condition in the RPC server.
How severe is CVE-2023-48363?: CVE-2023-48363 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-48363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48363?: CVE-2023-48363 primarily affects Siemens Openpcs 7. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-48363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-48363 have an EU (EUVD) identifier?: Yes. CVE-2023-48363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52417.
When was CVE-2023-48363 published?: CVE-2023-48363 was published on 2024-02-13 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-753746.html

Affected products (9)

cpe:2.3:a:siemens:openpcs_7:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_batch:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_route_control:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.4:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:7.5:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:8.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_professional:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_professional:19:*:*:*:*:*:*:*

More vulnerabilities in Siemens Openpcs 7

CVE-2019-19282 — High (CVSS 7.5): A vulnerability has been identified in OpenPCS 7 V8.1 (All versions), OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0…
CVE-2018-4832 — High (CVSS 7.5): A vulnerability has been identified in OpenPCS 7 V7.1 and earlier (All versions), OpenPCS 7 V8.0 (All versions),…
CVE-2023-48364 — Medium (CVSS 6.5): A vulnerability has been identified in OpenPCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC BATCH V9.1 (All versions…

All CVEs affecting Siemens Openpcs 7 →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →