How severe is CVE-2015-0637?

CVE-2015-0637 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2015-0637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0637?

CVE-2015-0637 primarily affects Cisco Ios Xe. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-0637 published?

CVE-2015-0637 was published on 2015-03-26 and last updated on 2026-06-17.

CVE-2015-0637

CVE-2015-0637 is a high-severity vulnerability in Cisco Ios Xe with a CVSS 2.0 base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ios Xe
Published: 2015-03-26
Last modified: 2026-06-17

Description

The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote attackers to cause a denial of service (device reload) via spoofed AN messages, aka Bug ID CSCup62315.

Frequently asked questions

What is CVE-2015-0637?: The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote attackers to cause a denial of service (device reload) via spoofed AN messages, aka Bug ID CSCup62315.
How severe is CVE-2015-0637?: CVE-2015-0637 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2015-0637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0637?: CVE-2015-0637 primarily affects Cisco Ios Xe. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-0637 published?: CVE-2015-0637 was published on 2015-03-26 and last updated on 2026-06-17.

References

Affected products (41)

cpe:2.3:o:cisco:ios_xe:3.10s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10s.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10s.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10s.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.10s.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.11s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.11s.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.11s.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.11s.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.12s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.12s.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.12s.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.13s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(33\)ird1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(33\)ire3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(33\)sxi4b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(44\)sq1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jam1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jap1m:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jaz1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.0\(2\)ed1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(1\)ex:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.2\(2\)jb1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(2\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)ja1n:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)jab1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)jn:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)jnb:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.3\(3\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(1\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(2\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(2\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.4\(2\)s2:*:*:*:*:*:*:*

More vulnerabilities in Cisco Ios Xe

CVE-2025-20188 — Critical (CVSS 10.0): A vulnerability in the Out-of-Band Access Point (AP) Image Download, the Clean Air Spectral Recording, and the client…
CVE-2023-20198 — Critical (CVSS 10.0): Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco…
CVE-2021-34770 — Critical (CVSS 10.0): A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE…
CVE-2019-12643 — Critical (CVSS 10.0): A vulnerability in the Cisco REST API virtual service container for Cisco IOS XE Software could allow an…
CVE-2021-1619 — Critical (CVSS 9.8): A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could…
CVE-2020-3227 — Critical (CVSS 9.8): A vulnerability in the authorization controls for the Cisco IOx application hosting infrastructure in Cisco IOS XE…

All CVEs affecting Cisco Ios Xe →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →