How severe is CVE-2020-10136?

CVE-2020-10136 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-10136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10136?

CVE-2020-10136 primarily affects Cisco Ucs Manager. In total, 261 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10136?

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

When was CVE-2020-10136 published?

CVE-2020-10136 was published on 2020-06-02 and last updated on 2026-06-17.

CVE-2020-10136

CVE-2020-10136 is a medium-severity vulnerability in Cisco Ucs Manager with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-290.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-290
Affected product: Cisco Ucs Manager
Published: 2020-06-02
Last modified: 2026-06-17

Description

IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.

Frequently asked questions

What is CVE-2020-10136?: IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.
How severe is CVE-2020-10136?: CVE-2020-10136 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-10136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10136?: CVE-2020-10136 primarily affects Cisco Ucs Manager. In total, 261 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10136 published?: CVE-2020-10136 was published on 2020-06-02 and last updated on 2026-06-17.

References

Affected products (261)

cpe:2.3:o:cisco:nx-os:5.2\(1\)sk3\(1.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sk3\(2.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sk3\(2.1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sk3\(2.2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sk3\(2.2b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm1\(5.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm1\(5.2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm1\(5.2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm1\(5.2b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm1\(5.2c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm3\(1.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm3\(1.1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm3\(1.1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm3\(1.1c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sm3\(2.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.4b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.5a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.5b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(1.15\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(2.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(2.5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(2.8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(3.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(3.15\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(4.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(4.1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(4.1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(4.1b\):*:*:*:*:hyper-v:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv3\(4.1b\):*:*:*:*:vsphere:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.3\):*:*:*:*:vsphere:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\)a1\(1\):*:*:*:*:*:*:*

More vulnerabilities in Cisco Ucs Manager

CVE-2020-3172 — High (CVSS 8.8): A vulnerability in the Cisco Discovery Protocol feature of Cisco FXOS Software and Cisco NX-OS Software could allow an…
CVE-2020-3119 — High (CVSS 8.8): A vulnerability in the Cisco Discovery Protocol implementation for Cisco NX-OS Software could allow an unauthenticated,…
CVE-2020-3173 — High (CVSS 7.8): A vulnerability in the local management (local-mgmt) CLI of Cisco UCS Manager Software could allow an authenticated,…
CVE-2020-3171 — High (CVSS 7.8): A vulnerability in the local management (local-mgmt) CLI of Cisco FXOS Software and Cisco UCS Manager Software could…
CVE-2020-3167 — High (CVSS 7.8): A vulnerability in the CLI of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, local…
CVE-2020-3120 — Medium (CVSS 6.5): A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and…

All CVEs affecting Cisco Ucs Manager →

Other CWE-290 vulnerabilities

CVE-2026-48567 — Critical (CVSS 10.0): Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a…
CVE-2026-6213 — Critical (CVSS 10.0): A vulnerability in Remote Spark SparkView before build 1122 allows an attacker to bypasses the local connection check…
CVE-2026-39858 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high…
CVE-2025-66570 — Critical (CVSS 10.0): cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability…
CVE-2025-34063 — Critical (CVSS 10.0): A cryptographic authentication bypass vulnerability exists in OneLogin AD Connector prior to 6.1.5 due to the exposure…
CVE-2023-22814 — Critical (CVSS 10.0): An authentication bypass issue via spoofing was discovered in the token-based authentication mechanism that could allow…

Browse all CWE-290 vulnerabilities →